Opening a vinyl liner pool and finding pH at 7.9 is common, but adding too much muriatic acid at once can wrinkle your liner or drop alkalinity too far. This guide gives you the exact dose, a worked example, and a safe step-by-step process for bringing pH from 7.9 down to 7.4.
Reaching 50 ppm borates in a 20,000-gallon pool sounds complicated until you do the math once. This guide shows exactly how much borax or boric acid to add, how to dissolve it, and what to expect when the dose is right.
Draining 4 inches of water a week for 8 weeks removes more cyanuric acid than most pool owners realize. This post walks through the exact math for a 20,000-gallon pool and tells you how much stabilizer you will need to add back once the draining stops.
Backwashing your filter should help clear up cloudy water, but sometimes the haze lingers. This post explains exactly how much clarifier to add to a 20,000-gallon pool after a backwash, why post-backwash haziness happens, and how to clear the water for good.
Fiberglass pools need careful pH control because the gel coat etches below 7.2. This guide gives you exact muriatic acid doses for a 20,000-gallon fiberglass pool, explains why pre-dilution matters, and walks you through a safe application process that protects your surface.
Adding too much muriatic acid to a 20,000-gallon pool can drop pH dangerously low and etch your surfaces. This guide gives you the exact dose to lower pH by 0.5, a step-by-step process, and the common mistakes that turn a quick fix into a bigger problem.
