Pool Filter PSI Decoded: Clean, Dirty, or Trouble?

Your pool’s pressure gauge can save you hours of guesswork, or it can trick you into cleaning the wrong thing at the wrong time. We walk through what pool filter PSI (pounds per square inch) actually means, why higher pressure usually equals more restriction and less circulation, and how that loss of flow shows up in real life: cloudier water, weak returns, a spa spillway that barely spills, and cleaners that stop moving like they should. We also get specific about filter types. DE filters a...