Classic UV Sterilizer with Wiper – 2 in. Port – 15W

This UV is the premium choice for water sterilization of ponds/aquariums from 200-500 gallons eradicating bacteria & creating a healthy environment. It can also be used as a clarifier to remove free floating algae for bodies of water up to 2000 gallons with 50% to 75% plant coverage. Simply put it will clear your water in 3 to 5 days, sometimes over night, and keep it that way.