Seachem PhosGuard Phosphate and Silicate Remover, 100 ml

• Removes silicate and phosphate
• Spherical for optimal hydrodynamics
• Irreversible binding

Product Description Seachem PhosGuard 100Ml Directions 1. Place Seachem PhosGuard in a canister filter, box filter, or high flow area of a trickle filter. 2. Use 250 mL for every 300 L of water. 3. Leave product in place for 4 days. 4. Test phosphate or silicate concentrations. 5. If concentrations have not dropped, replace the PhosGuard. 6. Otherwise, leave in place until levels begin to climb again. 7. Each 500 mL of PhosGuard treats over 600 L of water. 8. PhosGuard does not release anything into the water and may be removed, dried, and returned to service until exhausted. Box Contains water treatment