Is Pool Phosphate Remover a Scam? Phosphate removers are marketed as a way to starve algae by removing its food source. Algae tends to build up after you close your pool. But you don’t need a phosphate remover if you’ve cleaned your pool, you have a good winter cover, and you’ve added an algaecide. . . . . . #pool #poolcare #poolmaintenance #poolchemistry #swimuniversity #dyk #helpful #tips #pooltips #poolguide #swimming #swimmingpools #swimmingpoolspecialist⁠ #poolside #swimmingpool | Swim Univ