Water Gardens & Ponds

47 Best uv sterilizer for aquarium 2022 – After 201 hours of research and testing.

Written by Alex Rowe

Now that you are here, you must be looking for the best uv sterilizer for aquarium! If you aren’t for it, you shall use our search and look for the topic you are interested in. As this piece is a lengthy one and covers a few more aspects other than the best list, they are the best uv sterilizer for aquarium brands in United States of America and a buyer’s guide for making an informed buying decision.

Before we begin with the list, We ask you to make a list of things that you are looking for in a uv sterilizer for aquarium. It could be anything which you’ll require when doing tasks. This will help you have some clarity about the important things and will help you save money by not overspending on the features you won’t use or a product that has more features!

You surely are here for being able to make an informed buying decision when it comes to uv sterilizer for aquarium and you must be looking for the list, We know that! But before we begin, we’d like to tell you that, this is the most unbiased list ever, it has specs, lists down the features of the uv sterilizer for aquarium, best brands and has a dedicated buyer’s guide for people in United States of America.

Full Disclosure: This article might have a few external links to Amazon and other informative sources. When you make a purchase on Amazon using our link, we’ll earn a small fee without you having to pay extra for the item. This helps us keep the site running and publishing more awesome content, add more research and never let people buy bad-quality products!

Best uv sterilizer for aquarium in 2021

1. Coralife Turbo-Twist UV Sterilizer Black 6X -Top Selection from AmazonPets

By Coralife

  • Increased exposure to UV light from twist-flow design; uses replaceable 18W UV lamp
  • Easy setup and installation, includes mounting brackets for hang-on or inline applications
  • For fresh or saltwater applications
  • A water pump is needed (sold separately)
  • Multiple sizes to accommodate a variety of aquarium sizes
  • Features a unique twist flow design increases water’s exposure to ultraviolet light improving the treatment of unwanted algae and microorganisms
  • Recommended for aquariums up to 250 gallons
  • Use Coralife UV Replacement Lamps
  • Indicator light lets you know when the sterilizer is operating
  • Removes free floating algae, parasites and harmful micro organisms from aquarium water

2. Coralife Turbo-Twist UV Sterilizer 3X -Top Selection from AmazonPets

By Coralife

  • A water pump is needed (sold separately)
  • Indicator light lets you know when the sterilizer is operating
  • Multiple sizes to accommodate a variety of aquarium sizes
  • Use Coralife UV Replacement Lamps
  • Increased exposure to UV light from twist-flow design; uses replaceable 9W UV lamp
  • For fresh or saltwater applications
  • Recommended for aquariums up to 125 gallons
  • Easy setup and installation, includes mounting brackets for hang-on or inline applications
  • Features a unique twist flow design increases water’s exposure to ultraviolet light improving the treatment of unwanted algae and microorganisms
  • Removes free floating algae, parasites and harmful micro organisms from aquarium water

3. SunSun JUP-01 9W UV Sterilizer Submersible Filter Pump -Pet Supplies

By SunSun

  • Suitable for tanks up to 75-gallons
  • 9 Watt UV light
  • Dimension: 12″ L X 3.3″ W X 3.75″ H
  • Flow rate: 210 gallon per hour

4. Fluval UVC in-Line Clarifier 3W Low Energy UV Sterilizer, Up to 100 Gallons, for All 6 and 7 Series Filters -Pet Supplies

By Fluval

  • For ALL Fluval 6 and 7 Series Filters, 10 to 100 Gallons (106/7, 206/7, 306/7, 406/7).
  • Comes with Mounting Hardware & Extra 18.5″ / 47 cm Ribbed Hosing
  • For use in FRESHWATER, SALTWATER and even TURTLE aquariums where algae is often present
  • 6.85 years if run 12 hours a day)
  • COMES WITH: 4-24 hour timer
  • CCFL (Cold Cathode Fluorescent Light) technology runs cooler (& 80% MORE ENERGY EFFECIENT) than traditional UVC bulbs to last up to 30,000 hours (3X longer) (Approx
  • NOTHING ADDITONAL TO PURCHASE TO USE WITH YOUR EXISTING FLUVAL 6 or 7 SERIES FILTER

5. Coralife Turbo-Twist UV Sterilizer Black, 12X -Top Selection from AmazonPets

By Coralife

  • Mounting brackets included for hang on or in-line applications
  • Designed to remove unwanted free floating algae, parasites and bacteria
  • Indicator light lets you know when the sterilizer is operating
  • Increased exposure to UV light from twist-flow design
  • Can be used with freshwater and saltwater aquariums

7. Water Pump Aquarium Filter, 110 V CUP-809 9W UV Sterilizer Submersible Filter Pump, Green Algae Bloom Clean for 10-80 Gallons Fish Tank with Strong Suction Cups -Pet Supplies

By Frienda

  • if there is a slight Water into the glass cover (without affecting the bulb), just drain the water is OK
  • check whether have water entered the quartz glass cover, due to the bulb generates heat during operation, it may cause slight water in to the quartz glass cover after a long time
  • Tips: THIS INDICATOR LIGHT WINDOW is SMALL, the LIGHT is WEAK, MAINLY for EYE-PROTECTION, it is recommended put in a dark environment to check, ON means open, OFF means UV OFF, there is a switch to control the UV light
  • Wide ApplicationThis green water killer can effectly capture impurities and algae in the filter tank to make the water clearer, it can be applied to fish tanks, small pools, turtle tanks, etc
  • Ultra Quiet and Energy SavingThis uv aquarium sterilizer is very quiet when working, features a small motor to drive the water circulation, there will be a loud motor idling sound when running without water, but once it is placed in the water, the sound will disappear, so you can rest assured to use it in horizontal places and other places.More stable motor operation, longer service life, energy saving and safety
  • Important NoteIn order to maintain the powerful cleaning effect, recommended to inspect the machine every 1-2 weeks: open the out casing, 1
  • The partial remaining water drops are normal and do not affect the use
  • Tips: we have a water pumping test for each product to strictly ensure that the quality is qualified
  • Green Algae Clear Submersible PumpSize: 3″ L X 3″ W X 11.4″ H, power cord: 4.9ft, 110V, 60Hz, flow rate: 154 gallons per hour, suitable for 10-80 gallon tanks, it will drive a soft and comfortable water flow when working, keep the water clear, and will not hit the fish
  • check whether bulb work well, 3
  • clean filter sponge, 2
  • Both salt water and fresh water are available
  • 4-in-1 Fish Aquarium Filter SystemWater pump(adjustable) + air pump(increase the oxygen content in the cylinder) + filter + clean, can be directly used in the fish tank without other connection requirements

8. GRECH CBG-500 5W UV Sterilizer Hang-On Back Filter, 10-30 gallon/132 GPH -Pet Supplies

By GRECH

  • Box includes active carbon and bio media
  • Dimension: 7.6 x 4.4 x 6.5in (192 x 110.5 x 165mm)
  • Features a 5W UV Sterilizer
  • Suitable Aquarium Tank Size: 10 to 30 Gallons
  • Age range description: All Life Stages
  • Biological and mechanical filtration
  • Adjustable 132gph Filter Flow Rate with Surface Skimmer to eliminate undesired surface films
  • Helps eliminate algae and bacteria, keeping aquarium water crystal clear

9. SUN CUV-136 Aquarium UV Clarifier -Top Selection from AmazonPets

By SUN

  • Separate Ground-glass Viewport Included to Replace a Hosetail if One-in / One-out use Required
  • Suitable for Marine and Freshwater
  • Power: 36W
  • Three Stepped Hosetails Supplied
  • For use with pumps up to 1188gph
  • 36W UV Bulb Included
  • Easy Unscrew-release for Bulb / Quartz Glass Maintenance
  • Suitable for pond sizes up to 9250 gallon
  • Voltage: 110-120V
  • Lenght: 49cm / 19.1″
  • Wall Mounting Bracket Attached to the UV Light complete with Screws

10. Aqua Ultraviolet AAV00021 25-watt UV Sterilizer for Aquarium, 2-Inch, White -Pet Supplies

By Aqua Ultraviolet

  • 2 Inch Inlet and Outlet
  • Comes Complete with Lamp Quartz Sleeve and Transformer
  • Designed for Indoor or Outdoor Use
  • 21-7/8 Inch long x 3-3/4 Inch wide x 6 Inch high
  • Wiper Feature Cleans the Quartz Sleeve by Simply Pulling the Knob

11. GKM24W Internal UV for Aquariums up to 120Ga -Pet Supplies

By AA

  • The UV lamp and pump are submersed completely in the aquarium and are attached to the inside of the aquarium with the included suction cups.
  • The GKM24W Internal UV System with Power Head is for aquariums up to 120 gallons
  • Once your water is clear, there is no need to keep your GKM24W turned on 24/7
  • UV bulbs lasts for 6 to 9 months, assuming constant use
  • EPA Est # 093568.
  • 4″ x 4″ x 17″ long
  • The GKM24W allows water flow in direct contact with the UV lamp, making it extremely efficient
  • This will help increase the life of your 24 Watt UV lamp
  • LED signals need for a UV Bulb replacement, easy change without tools
  • UL listed
  • Sealed UV bulb design – avoid UV housing deteriorate, fresh with every bulb change.
  • Keep your aquarium crystal clear & reduce water changes.
  • It includes the pump and takes only 5 minutes to install (no tools required)
  • Pump Flow Rate: 120 GPH

12. Aqua UV 15 watt Advantage 2000+ Hang On UV Sterilizer -Aquarium Lights

By Aqua Ultraviolet

  • Made in United States
  • Item Package weight : 1.01 pounds
  • A UV Sterilizer is a proven method to eradicate bacteria, viruses and protozoa
  • The Advantage Series is ideal for small ponds, aquariums and water features

13. GRECH CBG-800 5W UV Sterilizer Hang-On Back Filter, 20-50 gallon/211 GPH, Black -Pet Supplies

By GRECH

  • Helps eliminate algae and bacteria, keeping aquarium water crystal clear
  • Dimension: 9 x 5 x 7in (229 x 127.5 x 179mm)
  • Note: Give the impeller “flywheel” a little push to start as magnet sometime stuck to certain position when sitting in the box for a long period of time.
  • Suitable Aquarium Tank Size: 20 to 50 Gallons
  • Adjustable 211gph Filter Flow Rate with Surface Skimmer to eliminate undesired surface films
  • Features a 5W UV Sterilizer
  • Biological and mechanical filtration
  • Box includes active carbon and bio media

14. SunSun Hw303B 370GPH Pro Canister Filter Kit with 9-watt UV Sterilizer -Pet Supplies

By SunSun

  • Pro Kit Includes Canister Filter w/9 Watt UV, 3 White Filter Pads, 1 Blue Coarse Pad, 3 Media Baskets
  • Flow rate: 370 GPH (1400L/Hr)
  • Dimension: 10.5″ L X 10.5″ W X 16″ H
  • Includes 1lb of Premium Filter Carbon, 1lb of Ceramic Rings and 1 Set of Bio Balls
  • HW-303B Pro Filtration Kit, Good for up to 100 gallon aquariums

15. Flexzion 18 Watt UV Sterilizer Light 110V Water Clarifier Lamp Ultraviolet Filter with Bulb Tube Power Adapter for Aquarium Pond Tank Gold Fish Reef Koi (CUV-118) -Aquarium Lights

By Flexzion

  • External ballast with on/off switch
  • Compact and Durable Structure
  • Rubber Seals to Prevent Leaks
  • High Clarity Quartz Glass Chamber
  • Indicator Screen Design

16. Aqua Ultraviolet AAV00035 25-watt UV Sterilizer with Wiper for Aquarium, 2-Inch, Black -Pet Supplies

By Aqua Ultraviolet

  • A UV Sterilizer is a proven method to eradicate bacteria, viruses and protozoa
  • Made in United States
  • Aqua Ultraviolet manufactures UV sterilizers for medical facilities, pharmaceutical production etc.

17. Aqua Ultraviolet AAV00061 40-watt UV Sterilizer for Aquarium, 3/4-Inch, Black -Pet Supplies

By Aqua Ultraviolet

  • UV sterilization is a Purely physical process not a chemical one so it doesn’t Alter water’s Chemistry, taste, smell or ph.
  • UV is versatile technology used for disinfecting water, other opaque liquids, hard surfaces and Air.
  • Using the same germicidal rays as the sun

18. SunSun HW-304B 5-Stage External Canister Filter with 9W UV Sterilizer, 525 GPH -Pet Supplies

By CREATOR

  • Good for up to 150 gallon fish tanks
  • Dimension: 11″ L X 11″ W X 17″ H
  • Built in 9 Watt UV sterilizer for controlling algae spores/bacteria and promoting clear water
  • Flow rate: 525 GPH (2000L/hr.)

19. COODIA Internal Green Water Killer Filter Aquarium Tank U-V Pump -Pet Supplies

By COODIA

  • Built in 5 watt water pump
  • 5 Watt U-V bulb included
  • Turns green water to clear in 3 to 7 days.
  • Suitable for Saltwater and Freshwater
  • Clean up to 75 gallons tank

20. COOSPIDER Sun JUP-01 Aquariums in Tank Submersible Machine 211gph 9 Watt fit for 80Gallon (JUP 01 Set + 2X Replace Filter + 1x Spare Bulb) -Pet Supplies

By COOSPIDER

  • Four-in-one: water pump(adjustable) + air pump + filter + clean, can be directly used in the fish tank without other connection requirements.
  • 1 Year WarrantyIf any questions or problems, please contact the service mailbox on the package, we will solve and reply in 24 hours.
  • Warm TipsIn order to maintain the best cleaning effect, it is recommended to check the machine every 1-2 weeks: open the casing, 1
  • Product DetailSize: 3.5″ L X 3.9″ W X 12″ H, Cord: 4.6ft., Flow rate: 210 gallon per hour, suitable for 40-80 gallon tanks
  • Warm PromptSince this product contains a small motor to drive the water circulation, there will be a loud motor idling sound when running without water, but once it is placed in the water, the sound will disappear
  • In addition, in order to ensure the best performance of the machine, we have checked all the machines (in water) before shipment, so after receiving the machine, it may be wet inside, please do not worry, it is brand new.
  • If there is a slight water into the sleeve(which does not affect the bulb, just drain the water).
  • clean the filter sponge, 2
  • check whether water enters the quartz sleeve, due to the bulb generates heat during operation, it may cause slight water into the quartz sleeve after long-term use
  • check whether the bulb works well, 3
  • Important NoteAfter receiving the product, must remove the shock-proof sponge inside the product before using it
  • (For detailed steps, please refer to the third product picture in the product page.)

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21. 5W UV-C Algae Bloom Clean Light for Aquarium Water Clean Green Clear Waterproof Clean Lamp for Pond Fish Tank Sump Swim Pool (5W 6.9inch) -Pet Supplies

By rOXIN

  • Promise to respond within 12 hours, if you found any question about the product,please con-tact us,we will solve it for you.
  • If you do not follow the Instructions,your fish will be hurts,Instructions:the best way is using the light in sump or filte r tank,if you do not have a sump,may be you can divide the fish tank two part with a Opaque plastic board,use the light in the part which the fish can not reach.but please make sure the water can flow over the plastic board
  • 5 Watts aquarium water clean light,Suitable for Freshwater and Saltwater,suggest that use the light 3-4 hours once in 2-5 days
  • Provide a clean living environment for your fish,Power Plug with Switch on/off,Suitable for tanks up to 300-gallons
  • this water clean light help to clean the green water,such as Fish tank,swimming pool,pond, shoes,dog house clean and so on.

22. YADICO Aquarium Green Water Killer Filter Pump 9W 200GPH for Fish and Plant Tank -Pet Supplies

By YADICO

  • It makes the green water turn to clear by killing the floating a-l-g-a in about 3 to 10 days.
  • 9Watt U-V light .
  • Multiple functions: (a) green water killer (b)air bubble function
  • Flow rate of pump inside 200GPH.
  • Suitable for tanks up to 75-gallons.

23. TAISHAN UV Sterilizer for Aquarium,13 W Fish Tank Clean Light with Timer,Aquarium Green Killing Machine Waterproof Clean Submersible Lamp for Pond,Swimming Pool,Indoor -Water Pump Accessories

By TAISHAN

  • Instructions: the best way is using the light in sump tank, if you do not have a sump, may be you can divide the fish tank two part with a Opaque plastic board, use the light in the part which the fish can not reach
  • Warm Notice:Please measure the size of your aquarium and compare with the dimension of our product before purchase
  • But please make sure the water can flow over the plastic board.
  • Strong Sterilization:Fish tank disinfection lamp can kill up to 99.99% of bacteria!UV-C disinfection works by breaking down certain chemical bonds and scrambling the structure of DNA, RNA and proteins to effectively destroy all microorganisms.
  • This will be the best choice for fish lovers.
  • Quick Disinfection:254nm wavelength light help to remove the green in the fish tank, pond, make it clear.Extremely efficient and time-saving in use in in 30 minutes, which can provide a clean living environment for your fish
  • 13 Watt aquarium clean light, Suitable for Freshwater and Saltwater, suggest that use the light 3-4 hours once in 2-4 days.
  • Superior Silica Glass:Glass products, handle with care, do not shake, it is easy to cause a short circuit.Please Note that this light only clean water green in the water, but can not clean the black precipitate attach on rock and tank.
  • Easy to Operate:Press the button to control the light,updated version with timer(3h,6h,12h,24h) making the whole cleaning process more simple than ever

24. GKM3W Clip On UV -Pet Supplies

By AA

  • For aquariums up to 20 gallons.
  • Once your water is clear for a full week, Use your Clip On UV System as need to maintain perfect clarity
  • EPA Est # 093568.
  • Keep your aquarium crystal clear & reduce water changes.
  • Converts most filters into a UV Filter.
  • UL listed
  • UV bulbs lasts for 6 to 9 months, assuming constant use
  • Simply Clip On to your filter
  • GKM3W Clip-On UV
  • Sealed UV bulb design
  • The GKM3W Clip On UV allows water flow in direct contact with the UV lamp, making it extremely efficient
  • LED signals need for replacement

25. Green Killing Machine GKM9W Internal UV with Power Head & Two Pack Replacement Sponge (3 Items) -Pet Supplies

By AA

  • The GKM9W allows water flow in direct contact with the UV lamp, making it extremely efficient
  • EPA Est # 093568.
  • This will help increase the life of your 9 Watt UV lamp
  • 4″ x 4″ x 12″ long
  • Once your water is clear, there is no need to keep your Green Killing Machine UV System ON 24/7
  • Sealed UV bulb design – avoid UV housing deteriorate, fresh with every bulb change.
  • Pump Flow Rate: 50 GPH
  • It includes the pump and takes only 5 minutes to install (no tools required)
  • The system and pump are submersed completely in the aquarium and are attached to the inside of the aquarium with the included suction cups.
  • UL listed
  • The Green Killing Machine 9W Internal UV System with Power Head is for aquariums up to 50 gallons
  • UV bulbs lasts for 6 to 9 months, assuming constant use
  • LED signals need for a UV Bulb replacement, easy change without tools
  • This Bundle includes three items: 1X Green Killing Machine 9W Internal UV System with Power Head; 2 Pack Replacement Sponge.
  • Keep your aquarium crystal clear & reduce water changes.

26. GKM3W Internal UV & One Pack Replacement Sponge (2 Items) -Water Pump Accessories

By AA

  • The GKM3W allows water flow in direct contact with the UV lamp, making it extremely efficient
  • LED signals need for a UV Bulb replacement, easy change without tools
  • For aquariums up to 20 gallons
  • This Bundle includes two items: 1X GKM3W mini Internal UV with Power Head; One Pack Replacement Sponge.
  • UL listed
  • UV bulbs lasts for 6 to 9 months, assuming constant use
  • The sealed UV Bulb and pump are submersed completely in the aquarium and are attached to the inside of the aquarium with the included suction cups.
  • This will help increase the life of your 3 Watt UV lamp
  • Takes only 2 minutes to install (no tools required)
  • Pump Flow Rate: 50 GPH
  • Sealed UV bulb design – avoid UV housing deteriorate, fresh with every bulb change.
  • EPA Est # 093568.
  • 2.5″ x 2.5″ x 7.5″ long
  • Once your water is clear, there is no need to keep your GKM3W UV System ON 24/7
  • Keep your aquarium crystal clear & reduce water changes.

27. Aquarium Clean Light Submersible Waterproof Lamp Water Clean Green Algae Clear for Fish Tank Pond 11W (HUV-11) -Water Pump Accessories

By COOSPIDER

  • Lamp Size 110Voltage 11W: 10.24 inch * 0.79 inch, suitable for Max 3000L fish tank/pond, use 1-2 hours a day, it is better to adjust the use time according actual situation of water
  • Fast Clean 254nm wavelength light help to remove the green in the fish tank, pond, make it clear
  • Warm Tip Due to the long transportion, after receiving the parcel, please check carefully whether the bulb is intact, if broken or have any crack mark, please contact our service mailbox on the package, we will send new replacement parcel in 24 hours.
  • Warranty Promise 1 year warranty, 3 month free return, any problem please contact the service mailbox on the package, we will solve and reply in 24 hours.
  • WARNING Light Will Kill Fish if don’t separate the fish from the lights! Recommended to use this lamp in aquarium filter system
  • 175cm long cable, on/off switch, includes 2 suction feet

28. TAISHAN Aquarium Clean Light,3W Mini UV Sanitizer Submersible Light with Timer,Aquarium Water Clean Green Clear Waterproof Clean Lamp for Pond,Swimming Pool,Indoor -Water Pump Accessories

By TAISHAN

  • 3 Watt Mini aquarium clean light, Suitable for Freshwater and Saltwater, suggest that use the light 3-4 hours once in 2-4 days.
  • Instructions: the best way is using the light in sump tank, if you do not have a sump, may be you can divide the fish tank two part with a Opaque plastic board, use the light in the part which the fish can not reach
  • But please make sure the water can flow over the plastic board.
  • Superior Silica Glass:Glass products, handle with care, do not shake, it is easy to cause a short circuit.Please Note that this light only clean water green in the water, but can not clean the black precipitate attach on rock and tank.
  • Easy to Operate:Press the button to control the light,updated version with timer(3h,6h,12h,24h) making the whole cleaning process more simple than ever
  • Strong Sterilization:Fish tank disinfection lamp can kill up to 99.99% of bacteria!UV-C disinfection works by breaking down certain chemical bonds and scrambling the structure of DNA, RNA and proteins to effectively destroy all microorganisms.
  • Quick Disinfection:254nm wavelength light help to remove the green in the fish tank, pond, make it clear.Extremely efficient and time-saving in use in in 30 minutes, which can provide a clean living environment for your fish
  • Warm Notice:Please measure the size of your aquarium and compare with the dimension of our product before purchase
  • This will be the best choice for fish lovers.

29. Jebao STU Stainless Steel UVC Clarifier, 55W -Patio, Lawn & Garden

By Jebao

  • Suitable for marine and freshwater, dimension: 26″ long x 3″ diameter
  • Up to 35% more UV efficiency from the electrolytically polished reflective stainless steel barrel interior over non-reflective black plastic UVC model
  • Easy screw release for bulb/quartz glass maintenance
  • Suitable for pond sizes up to 8,000 gallons, maximum flow: 2500GPH
  • Inlet & outlet adapter 0.75″, 1″, 1.25″, 1.5″

30. Jebao PU-36 Pond Clarifier, Black -Patio, Lawn & Garden

By Jebao

  • Include 2G11 36W light bulb lasts up to 8,000 hours
  • Can easily be installed both vertically or horizontally, Clean up to 8800 gallon
  • 22 Ft
  • We recommend changing bulbs 6-12 months for optimum cleaning performance
  • cord weather-resistant transformer, Aoid direct sunlight for max life span
  • Connects to 3/4″, 1″, 1-1/4 and 1-1/2″ fittings Pump and tubing, Approx length: 20 inch
  • The Pond and Aquarium Clarifier is ideal for cleaning the green out of water and preventing nasty odors in ponds up to 8,000 gallons.

31. GKM3W Mini Internal UV -Pet Supplies

By AA

  • UL listed
  • For aquariums up to 20 gallons.
  • Pump Flow Rate: 50 GPH
  • Sealed UV bulb design – avoid UV housing deteriorate, fresh with every bulb change.
  • UV bulbs lasts for 6 to 9 months, assuming constant use
  • No tools required
  • Submersible design for the sealed UV Bulb and pump.
  • Simply attached to the inside of the aquarium with the included suction cups
  • 2.5″ x 2.5″ x 7.5″ long
  • GKM3W mini Internal UV with Power Head
  • EPA Est # 093568.
  • Keep your aquarium crystal clear & reduce water changes.
  • LED signals need for a UV Bulb replacement, easy change without tools
  • The GKM3W allows water flow in direct contact with the UV lamp, making it extremely efficient

32. AquaTop UV Sterilizing Pump – SP7UV -Pet Supplies

By AquaTop

  • Up to 75 gallons
  • Independent power switch for UV light
  • 126 gallons per hour flow rate
  • Suitable for both freshwater & saltwater use
  • 7 Watt UV light

33. OASE Indoor Aquatics Cleartronic 7W, Black -Pet Supplies

By OASE Indoor Aquatics

  • Quick-release feature allows you to easily change the UV bulb
  • Ideal for preventing disease that can affect Aquarium inhabitants
  • The cleartronic works to promote clear water and healthy fish in your fresh or marine water aquarium
  • Utilize the indicator light to safely and conveniently check your bulb’s effectiveness without opening the unit
  • Effectively eliminates algae and cloudiness

34. Aqua UV 40 Watt 2 inch UV Sterilizer -Pet Supplies

By Aqua Ultraviolet

  • Salt Water Sterilizer: up to 325 gallons; Flowrate – 967gph for 90,000 µw/cm2SUP>
  • Dimensions: 43″ X 4″ X 2.5″
  • Fresh Water Clarifier: up to 6,000 gallons; ideal for water gardens
  • Fresh Water Sterilizer: 1,200-2,000 gallons; Flowrate – 2,900 gph for 30,000 µw/cm2SUP>
  • Inlet: 2″ slip, Outlet: 2″ slip

35. TetraPond UVC-9 GreenFree UV Clarifiers For Up To 1800 Gallons, 9-Watt -Water Treatment

By Tetra Pond

  • Designed for ponds up to 1800-gallons
  • Can typically remove heavy algae blooms within five days
  • Includes 3/4, 1, and 1 1/4 adapters
  • Works to keep your pond clean, clear, and free of green algae

37. Aqua Ultraviolet AAV00070 57-watt UV Sterilizer for Aquarium, 2-Inch, Black -Pet Supplies

By Aqua Ultraviolet

  • UV is versatile technology used for disinfecting water, other opaque liquids, hard surfaces and air.
  • Using the same germicidal rays as the sun
  • UV Sterilization is a purely physical process not a chemical one so it doesn’t alter water’s chemistry, taste, smell or ph.

38. VIP online sales 9W UV Sterilizer Aquarium Submersible sterilizer Filter Pump (with Bonus 80mm Airstone) -Pet Supplies

By VIP online sales

  • Fast acting product that creates a healthy living condition for your fish.
  • UV light with strong sterilization and excellent performance
  • BONUS 80 mm air stone to help with filtration.
  • Dimensions 12″ x 3.3″ x 3.75″ @ 2.2 lbs
  • Suitable for aquarium tanks up to 80-gallons (300 litres) Flow rate of 200-gallons-p/hour (800 litres-p/h)

39. LEDGLE Aquarium Lights 5 W Submersible Light Aquarium Clean Light for Aquarium Water Clean Green Clear Waterproof Clean Lamp -Pet Supplies

By LEDGLE

  • But please make sure the water can flow over the plastic board.
  • Instructions: the best way is using the light in sump tank, if you do not have a sump, may be you can divide the fish tank two part with a Opaque plastic board, use the light in the part which the fish can not reach
  • ️Superior Silica Glass- Please Note that this light only clean water green in the water, but can not clean the black precipitate attach on rock and tank.
  • Make your fish tank is water clean.
  • ️Easy to Operate- Press the button to control the light, making the whole cleaning process more simple than ever
  • This will be the best choice for fish lovers.
  • 5Watt aquarium clean light, Suitable for Freshwater and Saltwater, suggest that use the light 3-4 hours once in 2-4 days.
  • ️Safe & Convenient-Power Plug with Switch on/off, Suitable for tanks up to 300-gallons
  • ️Impressive Effect- Extremely efficient and time-saving in use in in 30 minutes, which can provide a clean living environment for your fish
  • ️Warm Notice- Please measure the size of your aquarium and compare with the dimension of our product before purchase

40. SunSun HW703B 370GPH Pro Canister Fish Tank Filter Kit with 9-watt UV Sterilizer -Pet Supplies

By SUN

  • 4-stage aquarium canister filters at a great hobby-friendly value, 370GPH
  • 3 Large Media Baskets for All Your Media Need, PRO Media kits included
  • Dimension: 11″ L X 11″ W X 16″ H, US plug 110-120v
  • Integrated 9W UV sterilization to eradicate unwanted algae and harmful disease causing pathogens
  • Provides quiet, efficient filtration for fresh and saltwater aquariums

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41. Aqua Ultraviolet AAV00029 UV Sterilizer Wiper for Aquarium, 25-watt, Black -Pet Supplies

By Aqua Ultraviolet

  • UV sterilization is a Purely physical process not a chemical one so it doesn’t Alter water’s Chemistry, taste, smell or ph.
  • Using the same germicidal rays as the sun
  • UV is versatile technology used for disinfecting water, other opaque liquids, hard surfaces and Air.

42. Lifegard Aquatics R450110 55 Watt Pro-MAX High Output, 5″ Body UV Sterilizer, Black -Patio, Lawn & Garden

By Lifegard Aquatics

  • Maximum operating pressure is 30 psi
  • Vertical or horizontal steel mounting option
  • 46 Degree 2″ Slip unions inlet/ outlet connection for high efficiency flow through patented design
  • All internal parts Replaceable
  • Disease control, algae control – keep your aquatic system healthy and clear
  • White internal reflective protective sleeve for high UV efficiency and view ports on both ends
  • High output 55 Watt amalgam UV bulb, hard quartz sleeve and UL listed ballast with a day Counter

43. SunSun HW-404B 525 GPH 5-Stage External Canister Filter with 9W UV Sterilizer, White -Pet Supplies

By SunSun

  • Good for up to 150 gallon fish tanks
  • Built in 9 watt UV sterilizer for controlling algae spores/bacteria and promoting clear water
  • Refer user manual provided in product details section for information regarding product assembly, usage and troubleshooting.
  • Flow rate: 525 GPH (2000L/hr)
  • Dimension: 11″ L x 11″ W x 19″ H
  • Pump power: 55W

44. Lifegard Aquatics QL-15 UV Sterilizer -Pet Supplies

By Lifegard

  • Solid cap features Clear View Port to allow visible light (no UV) to pass through and indicate bulb is operating
  • Its unique 4-pin connectordesign allows easy bulb replacement without shutting down the system;
  • The Splash Boot creates water resistant seal around electrical connection
  • The replaceable Internal Overflow Pipe automatically vents air from chamber and directs 100-percent of the water flow past UV light
  • All Lifegard Mechanical, Chemical, Heater, and UV Sterilizers include 3/4-inch threaded reducing bushings if threaded installation is desired

45. Aquatop CF400UV 4-Stage Canister Filter with UV 9W, 370 gph -Pet Supplies

By AquaTop

  • Dimensions: 10-1/2-Inch by 10-1/2-Inch by 16-Inch
  • Suitable for tanks up to 125-gallon
  • Convenient self-priming pump
  • 3+1 Stage filtration system
  • Extremely quiet
  • 9-Watt UV sterilizer
  • Includes UV sterilization for crystal clear water
  • 370 gals/hr

46. TEHAUX Aquarium Water Clean Light Submersible LED Light Waterproof UV Sterilizer Clean Lamp 9W (US Plug) -Pet Supplies

By TEHAUX

  • Quartz tube high- quality rubber parts with strong sucker to firm installed.
  • Submersible uv sterilizer is easy to fix with strong suckers, firm and reliable.
  • sincerely hope that you can understand! Thank you!
  • Safe and low voltage: LED lights is 20% brighter and is designed for reliable, long-term performance.
  • UV lamp with strong effect of, ultraviolet ray transmitting rate of more than 95%.
  • Warm Tip: Dear buyer, Due to lighting effect, monitors brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item

47. Polar Aurora Free Media 3-Stage External Canister Filter with 9-watt UV Sterilizer for Aquarium 265 GPH Builtin Pump Kit Canister -Pet Supplies

By Polar Aurora

  • This is a helpful feature if you want to adjust the output flow from the filter
  • 3 media trays capable of handling your choice of filtration media; Comes with an adjustable spray bar
  • Provides quiet, efficient filtration for fresh and saltwater aquariums is great for living rooms, offices or bedrooms
  • Convenient self-priming pump that eliminates the need for manual siphoning; Single valve disconnect & priming pump ease routine maintenance

Uv sterilizer for aquarium – The Buyer’s Guide

You must have checked the above list, aren’t you mind-blown by the quality of products? Well, if you are then here’s a secret formula which we’ve used to choose them. You can use them too! The best part is, it works for all the product purchases you make! Besides, wouldn’t it be helpful to you, if you knew the factors we’ve considered to choose the uv sterilizer for aquarium in the above list? So shall we begin with the guide and help you learn about the important factors?

1. Does it have the features you need?

Wait for a minute before you buy the uv sterilizer for aquarium, check if it has all the features in your requirement list! If it doesn’t have them, then you should avoid buying that particular model and start looking for an alternative. We always suggest our editors to make a list of important features before adding a product to a list and based on the feature, the quality of the product, brand-assurance, rank it! So if it has all you need, you should not mind paying a bit extra. However, if you end up buying the best uv sterilizer for aquarium which doesn’t have the feature you need the most, then it won’t make sense! Would it? To us, it wouldn’t! That’s why you should make up a list which includes the features you are looking for, technical specifications if any, etc and come up with a budget.

2. Budget and Price Match

Well, you obviously can’t buy the best uv sterilizer for aquarium with a low budget. That’s why it’s important to make note of all the important features, specs, factors and come up with a budget. Once you are ready with it, look for the products which are either equal to your budget or are close to it. Stick to the budget, because while browsing, you’ll see a model which is slightly better and has an additional feature with a really small price difference. Well, in that case you’ll have to calculate the price of the product which has all the required features and the uv sterilizer for aquarium with the additional features. See if the difference in amount is worth for the feature? If you don’t have second thoughts, you shall probably increase your budget.

3. Warranty and Brand

Most of the uv sterilizer for aquarium industry experts we got in touch suggested us to always buy the one which comes from a reputable brand. They also explicitly asked us to include the best brands so that users don’t buy the models from unknown brands or non-reputable companies. Because uv sterilizer for aquarium from an unknown brand might be cheap at first glance, but could have high-maintenance and could cost a lot in repairs.

Another benefit of buying a uv sterilizer for aquarium from a reputable brand would be warranty. Most of the uv sterilizer for aquarium from reputable brands come with good warranty. However, cheap products do come with a warranty, but claiming it can be a herculean task. That’s why buy the models which come from known brands and have good warranty.

4. Check for Reviews and Ratings

Back then when the Internet wasn’t as big as it is today, local stores charged high and even ended up selling the products which sucked or wasn’t future proof. It’s because the salesman threw technical terms and confused the buyer. But nowadays, there are sites like ours which does all the research and lists down the best models and there are eCommerce stores like Amazon which has user reviews which can be read to know the experience of the user with that particular uv sterilizer for aquarium. Isn’t it great?

The Verdict

We hope that you loved the uv sterilizer for aquarium we’ve listed in our best list. If it has been helpful, please bookmark our website and share it with people you know whenever they plan to buy something.

To wrap up this guide,

About the author

Alex Rowe

Alex Rowe is the Senior Writer at Main Street Mobile. He loves to try the latest tech gadgets in the market. Also, he attends various tech conferences in his country. He covers news on Technology. Apart from this, he also loves audio, design, and writing.

To get in touch with Allen for news reports you can email him on alex@mainstreetmobile.org or reach him out on social media links given below.

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