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Phosphate removal from aquarium water is often necessary to protect aquatic organisms Reasons·Phosphates increase algea growth.·Disturbance of growth of chalk synthesis of red algea and hard corals.·Serious harm to fish and corals by overgrowth with algea.Phosphate Limit Fresh water:＜0.5mg PO4/L Seawater:＜0.02-0.10mg PO4/Lspecial product properties are required for removal of phosphate from aquariums to protect fish and plants High adsorption capacity.