How to Remove Stains From a Fiberglass Pool: When Cleaning Won’t Fix the Problem
Most fiberglass pool stains come off once you know what caused them. Leaf and pollen stains usually respond to brushing and chlorine. Metal stains lift with vitamin C (ascorbic acid) and a sequestering agent. But if a stain keeps coming back, never lightens, or sits on a chalky, rough or blistered surface, the gelcoat itself […]