Pool pH swings usually come from aeration, fill water, rain, sanitizer type, or low total alkalinity. Find the cause, avoid overcorrecting, and know when to call a pro.
Written for PoolSkimmer on Oct 7, 2026; assigned an earlier archive date, not published on that date.
Test the water first, then add chlorine according to the label and your equipment manual. Keep the pump running, avoid mixing chemicals, and recheck the water.
Written for PoolSkimmer on Oct 23, 2026; assigned an earlier archive date, not published on that date.
Low alkalinity often comes from acid additions, rain, splash-out, or refill water. Raise it gradually, retest after circulation, and call a pool pro if readings stay unstable.
Written for PoolSkimmer on Oct 23, 2026; assigned an earlier archive date, not published on that date.
Pool shock and chlorine are related, but they are not always the same thing. Chlorine is the routine sanitizer; shock is a stronger treatment used sometimes.
Written for PoolSkimmer on Oct 23, 2026; assigned an earlier archive date, not published on that date.
Choose a pool test kit based on the readings you need, the accuracy you can maintain, and how consistently you’ll use it. Reliable results matter more than extras.
Written for PoolSkimmer on Oct 7, 2026; assigned an earlier archive date, not published on that date.
Shocking a pool means giving the water a temporary boost in sanitizer or oxidizer to break down contaminants, help clear odors, and support normal pool care.
Written for PoolSkimmer on Oct 23, 2026; assigned an earlier archive date, not published on that date.
There’s no universal wait time after shocking a pool. Swim only when the shock has circulated, the water is clear, and test results match the product label’s safe range.
Written for PoolSkimmer on Oct 23, 2026; assigned an earlier archive date, not published on that date.
Pool shock is usually chlorine-based or non-chlorine. The exact active ingredient depends on the product label, so read it before you add anything to pool water.
Written for PoolSkimmer on Oct 23, 2026; assigned an earlier archive date, not published on that date.
Retest pool water only after it has fully circulated and the correction has had time to work. Timing depends on the change, the pump, and water clarity.
Written for PoolSkimmer on Oct 7, 2026; assigned an earlier archive date, not published on that date.