Aqua UltravioletTwist 25 Watt unit will eliminate green water and control bacteria. The Aqua Ultraviolet Twist 25 Watt, will sterilize up to 1,200 gallons of fresh water or 150 gallons of salt water.

Used as a Clarifier the Aqua Ultraviolet Twist 25 Watt, will control green water in a freshwater environment of up to 4,000 gallons that has 50% to 75% plant coverage and partial shade.

Fresh Water Sterilizer 500-1200 gals / Flowrate - 1200 gph for 30,000 microwatts/cm2

Fresh Water Clarifier to 4000 gals

Salt Water Sterilizer to 150 gals / Flowrate - 400 gph for 90,000 microwatts/cm2