Notes from the deep end

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

479 articles

Water Chemistry · Archive date: · 3 min read

Is High Copper in Pool Water Dangerous?

High copper in pool water is usually more of a staining and corrosion problem than an immediate health emergency, but it can still signal a source that needs fixing.

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

Pool Care · Archive date: · 3 min read

What Is an Overlap Pool Liner?

An overlap pool liner is a vinyl liner for an above-ground pool that hangs over the pool wall and is secured at the top, unlike a beaded liner.

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

Water Chemistry · Archive date: · 3 min read

Is High Phosphate in a Pool Dangerous?

High phosphates in your pool are usually not a direct danger to swimmers, but they can support algae, cloudiness, and slippery surfaces if maintenance slips.

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

Pool Care · Archive date: · 3 min read

How to Repair a Tear in a Vinyl Pool Liner

A small vinyl pool liner tear can often be patched successfully if you clean the area, use the right patch kit, and avoid damaged seams or fittings.

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

Skimming & Debris · Archive date: · 3 min read

Why Leaves Slip Under the Skimmer in Leaf Season

Leaves slip under the skimmer when water level, weak flow, or a stuck weir door disrupts surface skimming. Start with safe, simple checks.

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

Skimmer Equipment · Archive date: · 3 min read

How Do You Replace Missing Skimmer Screws or Fasteners Correctly?

Match the exact skimmer screw or fastener to the part it secures, check for cracks or worn seals, and confirm a safe, leak-free fit before restarting the pool.

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 Tell Whether Cloudy Pool Water Is Chemical or Mechanical

Cloudy pool water can come from poor water balance or a filtration problem. Use a simple check sequence to find the cause and know when to call a pro.

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

Pool Care · Archive date: · 3 min read

How to Measure a Pool Liner for the Right Fit

Measure a pool liner from the inside dimensions of the pool, then confirm shape, wall height, corners, steps, and cutouts before you order a new liner.

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 Remove Copper Stains from a Pool

Copper stains in a swimming pool usually need a two-part fix: identify the stain, then remove the copper source so the discoloration does not return.

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

Pool Care · Archive date: · 3 min read

How long can a pool water sample sit before testing?

Test a pool water sample as soon as possible for the most accurate result. If you must wait, cap it, keep it cool and shaded, and test promptly.

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 Remove Phosphate from a Pool

To reduce phosphates in a swimming pool, remove debris first, keep filtration working well, and use a phosphate remover only if the product label directs it.

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

Pool Care · Archive date: · 3 min read

How Often Should You Seal a Concrete Pool Deck?

Most concrete pool decks need resealing every few years, but sun, pool water, foot traffic, and the sealer type can shorten that timeline.

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