Your pool problems might not be a “bad product” or a “bad test kit” problem. Sometimes the real issue is simple: the homeowner is unknowingly sabotaging the pool between service visits. We walk through the patterns we see constantly in the field and how they snowball into cloudy water, stubborn algae, and chemistry that never seems to hold. We start with pool filters, because filtration problems hide in plain sight. DE filters get opened with no diatomaceous earth at all, or they get overloa...