Notes from the deep end

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

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7 articles

Water Chemistry · Archive date: · 3 min read

Why Pool Water Can Turn Green Even When Chlorine Is Still Present

Green pool water with a chlorine reading usually means the sanitizer is present but not effective enough. Check pH, circulation, algae, and metals first.

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 Take Care of a Salt Water Pool

Salt water pool maintenance still means regular brushing, skimming, testing, and equipment checks. Keep circulation strong and follow your manual.

Written for PoolSkimmer on Oct 23, 2026; assigned an earlier archive date, not published on that date.

Water Chemistry · Archive date: · 4 min read

How Calcium Hardness Affects Pool Surfaces and Scale

High calcium hardness can make pool water scale-forming, leaving rough deposits on plaster, tile, and equipment. Learn the warning signs and safe next steps.

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 Does a Saltwater Pool Work?

A saltwater pool still sanitizes with chlorine. A salt chlorine generator uses dissolved salt and circulating water to produce chlorine on site, while the pump and filter keep the system working.

Written for PoolSkimmer on Oct 23, 2026; assigned an earlier archive date, not published on that date.

Water Chemistry · Archive date: · 3 min read

What Causes Metal Stains in Pool Water and How Can You Identify Them?

Metal stains in a pool often come from iron, copper, or manganese. Learn the visual clues, likely sources, and when a pool professional should help.

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 Maintain a Salt Water Pool

A salt water pool still needs regular brushing, skimming, filter care, and water testing. Follow the manual, keep the pump running properly, and fix problems early.

Written for PoolSkimmer on Oct 23, 2026; assigned an earlier archive date, not published on that date.

Water Chemistry · Archive date: · 3 min read

What Should Chlorine Level Be in a Pool?

For most residential pools, aim for the sanitizer label’s recommended free chlorine range, often around 1 to 3 ppm, and verify it with regular testing.

Written for PoolSkimmer on Oct 23, 2026; assigned an earlier archive date, not published on that date.