Above Ground Pool Foam: What Causes It, Why Filter Cleaning Does Not Fix It, and How to Clear It
Above ground pool foam almost always comes down to one thing: something in the water is reducing surface tension enough that air bubbles from the return jets stop popping on their own. In this guide I walk through the three real causes, body oils and sunscreen, low-quality algaecide, and surfactant-heavy pool products, then explain why … Read more
