Description
Kent Marine Phosphate Sponge is a Phosphate and Silicate remover that will adsorb harmful phosphates within hours when put directly in the water flow.The phosphate sponge works in both freshwater and saltwater aquariums. 1 quart will treat 120 gallons and bring approx 1.0 ppm of silicates or phosphates down to less than .05 ppm.
