Notes from the deep end

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

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4 articles

Water Chemistry · Archive date: · 4 min read

Why Pool Water Turns Brown After a Chemistry Change

If your pool water turned brown after adding chlorine or adjusting pH, the cause is often metals, sediment, or debris reacting to the new balance.

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

Water Chemistry · Archive date: · 3 min read

How to Lower the Risk of Corrosion in Pool Water

Stable pH, alkalinity, and calcium hardness help protect metal parts. Learn practical steps to prevent corrosion, spot warning signs, and know when to call a pro.

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

Water Chemistry · Archive date: · 3 min read

Can You Put Pool Shock in the Skimmer?

Usually no: pool shock should not go in the skimmer unless the product label specifically allows it. Use the label, PPE, and safe circulation practices.

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 Chemistry Checks Matter Most Before Opening a Pool?

Before opening a pool, focus on the chemistry checks that protect swimmers and equipment: sanitizer, pH, alkalinity, calcium hardness, and stabilizer.

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