Pool water can look crystal clear and still be unsafe if sanitizer, pH, alkalinity, or calcium hardness drift out of range. Here’s what to check first.
Written for PoolSkimmer on Oct 7, 2026; assigned an earlier archive date, not published on that date.
Turn the pump off, prime the vacuum hose, and use the correct skimmer adapter or vacuum plate. Follow the manual to connect safely and keep suction working.
Written for PoolSkimmer on Oct 7, 2026; assigned an earlier archive date, not published on that date.
To lower pH in a swimming pool, confirm the reading first, then use a pH reducer only as the label directs. In salt water pools, check circulation and equipment if pH keeps rising.
Written for PoolSkimmer on Oct 24, 2026; assigned an earlier archive date, not published on that date.
To fix alkalinity in a pool, first verify the reading, then determine whether total alkalinity is too low or too high before making any water-care changes.
Written for PoolSkimmer on Oct 24, 2026; assigned an earlier archive date, not published on that date.
To raise pool calcium hardness, use a calcium chloride product only after testing, then follow the label and your pool manual while the pump circulates water.
Written for PoolSkimmer on Oct 24, 2026; assigned an earlier archive date, not published on that date.
Most above ground pools need chlorine or another sanitizer, pH and alkalinity balancers, and an occasional shock treatment. Test first and follow the label.
Written for PoolSkimmer on Oct 24, 2026; assigned an earlier archive date, not published on that date.
Low alkalinity can make pool water unstable, letting pH swing and increasing corrosion risk. Learn the safe way to raise alkalinity and when to call a pro.
Written for PoolSkimmer on Oct 24, 2026; assigned an earlier archive date, not published on that date.
The safest, most effective way to remove floating algae clumps is to skim them gently, keep the pump off during basket checks, and address circulation causes.
Written for PoolSkimmer on Oct 7, 2026; assigned an earlier archive date, not published on that date.
Sunlight and high temperatures can burn off chlorine quickly. Learn how to protect free chlorine, improve circulation, and know when to call a pool professional.
Written for PoolSkimmer on Oct 7, 2026; assigned an earlier archive date, not published on that date.