Notes from the deep end

Practical articles for pool owners on skimming, water testing and choosing the right equipment.

Clear filters

5 articles

Water Chemistry · Archive date: · 3 min read

Why Pool Algae Keeps Coming Back Even When Chemistry Looks Fine

Recurring algae in a pool often points to circulation, filtration, brushing, or testing gaps—not just one chlorine reading that looks close.

Written for PoolSkimmer on Oct 7, 2026; assigned an earlier archive date, not published on that date.

Water Chemistry · Archive date: · 3 min read

What Causes Alkalinity to Rise in a Pool?

Pool alkalinity usually rises from fill water, chemical additions, or repeated top-offs. Testing and good circulation help you spot the cause before pH becomes harder to control.

Written for PoolSkimmer on Oct 24, 2026; assigned an earlier archive date, not published on that date.

Water Chemistry · Archive date: · 3 min read

How to Read Pool Test Results Without Chasing Small Swings

Learn to read pool test results by spotting real trends, not one-off changes, so you can maintain balanced water without overcorrecting.

Written for PoolSkimmer on Oct 7, 2026; assigned an earlier archive date, not published on that date.

Water Chemistry · Archive date: · 3 min read

Does Copper Pipe in a Pool Skimmer Work for Algae?

Copper in a pool skimmer is not a dependable algae fix. It can stain surfaces, upset water balance, and should never replace proper sanitation.

Written for PoolSkimmer on Oct 7, 2026; assigned an earlier archive date, not published on that date.

Water Chemistry · Archive date: · 3 min read

Best Way to Rebalance Pool Water After a Partial Drain

After a partial drain, let the refill mix fully, then test pool water and correct balance in the proper order. Avoid guesswork and call a pro if problems persist.

Written for PoolSkimmer on Oct 7, 2026; assigned an earlier archive date, not published on that date.