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1. Coralife

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3X, Coralife Turbo Twist UV Sterilizer

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Coralife #ad - Recommended for aquariums up to 500 gallons. Designed to remove unwanted free floating algae, parasites and bacteria. Mounting brackets included for hang on or in-line applications. Indicator light lets you know when the sterilizer is operating. Can be used with freshwater and saltwater aquariums. Increased exposure to UV light from twist-flow design.
BrandCoralife #ad
ManufacturerCentral Garden & Pet #ad
Height4 Inches
Length13 Inches
Weight4.15 Pounds
Width9.75 Inches
Part Number100115602
Model100115602

2. Coralife

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6X, Coralife Turbo Twist UV Sterilizer

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Coralife #ad - Recommended for aquariums up to 250 gallons. Mounting brackets included for hang on or in-line applications. Indicator light lets you know when the sterilizer is operating. Designed to remove unwanted free floating algae, parasites and bacteria. Increased exposure to UV light from twist-flow design. Can be used with freshwater and saltwater aquariums.
BrandCoralife #ad
ManufacturerCentral Garden & Pet #ad
Height3.25 Inches
Length16 Inches
Weight5.6 Pounds
Width9.25 Inches
Part Number15601
Model100115601
WarrantyManufacturer Warranty

3. Jebao

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Jebao STU Stainless Steel UVC Clarifier 36-watt

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Jebao #ad - Max pond sizes up to 6, 000 gallons, maximum flow: 2500GPH. Suitable for marine and freshwater, dimension: 21" 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. Inlet & outlet adapter 075", 1. 25", 1. 5", 1", 2-inch pVC adapter included. Easy screw release for bulb/quartz glass maintenance.
BrandJebao #ad
ManufacturerJebao #ad
Height4 Inches
Length22 Inches
Weight8 Pounds
Width10 Inches
Part NumberSTU-36
ModelSTU-36

4. Jebao

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Jebao UV Clarifier Sterilizer for Aquarium Fish Pond Fountain

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Jebao #ad - Uv light effectively destroys unsightly green pond water algae. 20 ft. Enjoy crystal clear pond water with minimal effort and maintenance. Include one 55w 2g11 base uv lamp. Supply voltage: 220-240v 50Hz / 120V 60Hz. Powerful uv clarifier keeps pond or aquarium water clean and "green free". Cold weather-resistant transformer.
BrandJebao #ad
ManufacturerJebao #ad
Height4 Inches
Length24 Inches
Weight5 Pounds
Width6 Inches
Part NumberPU-55
ModelPU55

5. Jebao

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Jebao 36W Aquarium Koi Fish Pond UV Light Sterilizer

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Jebao #ad - 2g11 base 36w uv lamp pre-installed. For peak performance, the 36w Ultraviolet Bulb should be replaced once every 6-12 months of operation. Install in-line after pond water has passed through a filter for best sterilization effect. Permanent elimination of Algae Bloomy to Get Rid of Green Water. All units have 3/4", 1", 1-1/4" and 1-1/2" fittings. Max flat rate: 4400 GpH. Complete with 22 ft cord and UL listed sealed transformer. For external use only non-submersible.
BrandJebao #ad
ManufacturerJebao #ad
Height4 Inches
Length20 Inches
Weight7 Pounds
Width13 Inches
Part NumberPu-36
ModelPu-36

6. TotalPond

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TotalPond UV Pond Clarifier

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TotalPond #ad - Connects to a pump outlet with a 1/2, 3/4, or 1 in. Water is sterilized using our 9 watt and water is pumped out into filter or pond.

Reduces micro-organisms and bacteria. Water is pumped into the UV chamber. The uv pond clarifier is ideal for cleaning the green out of water and preventing nasty odors in ponds up to 2, 000 gallons. The uv pond clarifier can easily be installed in or out of your pond. Id tubing. We recommend changing UV bulbs yearly for optimum cleaning performance. The included 9w uv bulb lasts up to 8, 000 hours. For use with ponds up to 2, 000 gallons. The uv indicator light and clear adaptors allow you to see the unit is running.
BrandTotalPond #ad
ManufacturerTotalPond #ad
Height12.85 Inches
Length5.6 Inches
Weight3.47 Pounds
Width6.25 Inches
Part NumberUVC9
Model871980305672
Warranty1 year warranty.

7. Aqua Ultraviolet

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Aqua UV 15 watt Advantage 2000+ Hang On UV Sterilizer

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Aqua Ultraviolet #ad - The advantage series is ideal for small ponds, aquariums and water features. A uv sterilizer is a proven method to eradicate bacteria, viruses and protozoa. Made in United States. Item package weight : 1. 01 pounds.
BrandAqua Ultraviolet #ad
ManufacturerAqua Ultraviolet #ad
Height1 Inches
Length1 Inches
Weight1 Pounds
Width1 Inches
Part Number617750002866
Model617750002866

8. Jebao

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Jebao CW-55 55-watt UV Clarifier Sterilizer for Koi Fish Pond Aquarium Fish Tank

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Jebao #ad - 25ft extra long power cord. Weather-proof and quick-lock design. Hose tails fit for 3/4", 1", 1-1/4", 1-1/2" tubing. Power: 110v / 60hz, equiped 2g11 base 55w UV light bulb. Up to 8800 gallon pond, max flat Rate: 5000 GPH.
BrandJebao #ad
ManufacturerJebao #ad
Height5 Inches
Length26 Inches
Weight4.5 Pounds
Width6 Inches
Part NumberCW-55
ModelCW-55

9. Tetra Pond

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5-Watt, TetraPond UVC-5 GreenFree UV Clarifiers For Up To 660 Gallons

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Tetra Pond #ad - Limited warranty: this ul listed product features a 3-year limited warranty – see packaging for full details. High-efficiency uv bulb: Includes UV bulb for up to 11 months of continuous operation. 4 available sizes: for ponds up to 660 gallons, 400 gallons and up to 8, up to 1, up to 4, 800 gallons, 800 gallons. Uv clarifying light: ultraviolet clarifier controls heavy algae blooms in ponds and water gardens and keeps water clean and green-free. Reflective surface: Includes reflective stainless-steel insert that increases UV exposure.
BrandTetra Pond #ad
ManufacturerTetraPond #ad
Height8.75 Inches
Length4.13 Inches
Weight3.7 Pounds
Width12 Inches
Part Number956622
Model19523
WarrantySee label for details.

10. Flexzion

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Flexzion 9 Watt UV Sterilizer Light 110V Water Clarifier Lamp Ultraviolet Filter with Bulb Tube for Aquarium Pond Tank Gold Fish Reef Koi

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Flexzion #ad - Fast reduction of unpleasant odors to improve water quality. Permanent elimination of algae bloomy so as to get rid of green water. Efficient prevention of waterborne pathogens to keep the fishes and other aquatics healthy. Compact and durable structure Product not submersible. Instant control of harmful parasites and bacteria.
BrandFlexzion #ad
ManufacturerFlexzion #ad
Height4 Inches
Length12 Inches
Weight2.5 Pounds
Width7 Inches
Part NumberUV_STL_9W