Aqua UV 120 Watt 2 inch UV Sterilizer

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Aqua Ultraviolet

Aqua UV 120W 2 inch Classic UV Sterilizer The Classic Series UV's are ideal for ponds, aquariums, and water features. The Classic's rugged design has features that allow for quick installation and easy maintenance. Aqua Ultraviolet UV's will clear your water in 3 to 5 days sometimes overnight and keep it that way. Performance is guaranteed when sized, installed and operated according to our instructions.
  • Fresh Water Sterilizer: 4,400-6,000 gallons; Flowrate - 4,080 gph for 30,000 µw/cm2
  • Fresh Water Clarifier: up to 12,000 gallons; ideal for water gardens
  • Salt Water Sterilizer: up to 900 gallons; Flowrate - 1,360gph for 90,000 µw/cm2
  • Dimensions: 39.5" X 16.5" X 2.5"
  • Inlet: 2" slip, Outlet: 2" slip
  • Available in white (Black by special order only)
What is a Sterilizer? A sterilizer will eliminate green water and control bacteria. The Classic 120 Watt, will sterilize up to 6,000 gallons of fresh water or 900 gallons of salt water.
What is a Clarifier? Used as a Clarifier the Classic 120 Watt, will control green water in a freshwater environment of up to 12,000 gallons that has 50% to 75% plant coverage and partial shade.
What works best for Marine Tanks? In marine fish tanks (No reef or live rock) a flow rate matching those shown in the 75,000 or 90,000 column will be most effective at controlling fish disease.
How do I size a UV for a Reef Tanks? In salt water reef environments choose a UV that matches your flow rate per hour in the 30,000 or 45,000 columns of our chart. Flow rates in the 75,000 and 90,000 columns will destroy the planktonic food supply for the reef.
Aqua UV Classic Series Sterilizer/Clarifier



  • Easy twist cap for easy quartz sleeve maintenance. Just one cap to twist for access to the quartz sleeve
  • Quick release T`s for easy installation and winterization
  • Lamp is positioned in the housing for maximum UV effectiveness
  • Slender housing design allows for higher UV dosage
  • The unit is designed for maximum flow rates
  • Easy to remove remote power supply
  • Designed for indoor or outdoor use
Pond Clarifier
in Gallons
Salt Water
Tank Gallons
Gallons Max
12000 6500 4400-6000 4080 2720 2040 1632 1360 900

Product Manuals & Documentation

Aqua UV 120 Watt 2 inch UV Sterilizer

Owner's Manual available for download in Adobe PDF file format

Aqua UV 120 Watt 2 inch UV Sterilizer

Additional Info 1 available for download in Adobe PDF file format

Manufacturer Info

Aqua Ultraviolet Aquarium Supplies
Aqua Ultraviolet, founded in 1975, is a popular manufacturer of ultraviolet sterilizers and bio-mechanical filtration. All Aqua Ultraviolet (also referred to as Aqua UV) products are created, tested and manufactured in their Temecula, CA headquarters. By creating all of their products in-house, Aqua Ultraviolet can perform thorough quality control and even engineer custom designs for special orders. The customer-centric company has a toll-free number with a friendly support staff willing to help you choose the right products and walk you through the installation process. Aqua Ultraviolet’s UV sterilizers are popular among freshwater and saltwater aquarium hobbyists in addition to pond and water gardeners.


Housing: Limited lifetime warranty on housing against Ultraviolet degradation
Complete Unit: One year from date of purchase or 18 months from manufacturing date

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