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3 dKH ±5% of reading
STAGE 2 – TWIST-IN CARBON BLOCK FILTER CARTRIDGE: Recommend replacing every 6 months
Our ultimate pellets deliver all you would expect from a high quality balanced feed
6x Reagent A
If the system is smaller than that
Aqua Ultraviolet Classic 25 Watt Unit, 3/4" Inlet/Outlet Corals 3 dKH ±5% of readingColor: White Dimensions: 20 x 3 3 4 x 6 Freshwater: 500 1,200 Gallons Saltwater: 150 Gallons The Classic Series UVs are ideal for ponds, aquariums, and water features. The Classics rugged design has features that allow for quick installation and easy maintenance. Aqua Ultraviolet UVs 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.