Phos-X 3.75 lbs

Create crystal clear water, reduce odors, and make an ideal living environment for your plants and fish. Phos-X absorbs and traps phosphate, nitrite, and nitrate quickly and easily. To reduce ornamental pond maintenance, simply place in filter wherever water will circulate through mesh bag. Treats 1,320 gallons for 3 months. 3.75 lbs, 2 pack.