Phosphate Plus 4 in 1
One of our best sellers because it is so effective in removing phosphate. Add a dose of Phosphate Plus 4 in 1 to your pool when closing and open your pool in the spring algae free.
Revolutionary, patented formulation. Natural mineral composition.
Removes phosphates (algae nutrients) from the water. Can also be used in fish ponds, salt water & fresh water aquariums. Add through the skimmer with pump running. 1 qt Bottle.