For superior performance and the ultimate in convenience, try Phos-Tab, a phosphate remover in tablet form. Packaged in a point-of-sale display perfect for positioning on your water testing counter, each case contains 20 tubes. For use in a skimmer, each tablet contains a rare-Earth salt blend that dissolves with much less clouding than with liquid products. Phos-Tab in, phosphate out!

Removes oil, grease, dirt and mineral deposits and helps break down organic and inorganic matter in filters. Compatible with all types of filters