Ecological Labs AEL20217 Microbe Lift Phosphate Remover for Aquarium, 32-Ounce

MICROBE-LIFT/Pond Phosphate Remover is a polymeric blend with outstanding qualities, including the ability to tie-up large quantities of phosphate without negatively influencing the pond water in any way. Phosphate-caused by the decomposition of organic substances such as food surpluses, dead plant matter and excretion-is only harmless in concentrations below 0.3 ppm in fresh water. Will not harm fish or plants Safely removes phosphate from pond water