4 Things to Know About Lowering Phosphates in Your Pool

Phosphates don’t cause algae—low chlorine does Phosphates are food for algae, but algae only blooms when chlorine drops below 1 ppm. Keeping chlorine steady prevents algae regardless of phosphate levels.

Use a lanthanum-based phosphate remover and follow the label Dumping in too much at once can cause issues. Measure the dose carefully for your pool size.

Expect temporary cloudiness after adding phosphate remover The product binds to phosphates and gets caught in the filter, making the water look cloudy for a day or two. This is harmless and not algae.

Never add phosphate remover right after shocking Wait at least 24 hours between any chemical additions. Adding them too close together can trigger algae growth.