A major refill can dilute sanitizer and shift pH, alkalinity, and calcium hardness. Test, circulate, correct carefully, and retest before anyone swims.
Written for PoolSkimmer on Oct 7, 2026; assigned an earlier archive date, not published on that date.
Cloudy water after shocking often means debris, dead algae, or mineral particles are still in the water. Check circulation, filtration, and balance first.
Written for PoolSkimmer on Oct 7, 2026; assigned an earlier archive date, not published on that date.