Notes from the deep end

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

Clear filters

29 articles

Filtration & Circulation · Archive date: · 3 min read

How to Use Pool Clarifier with a Sand Filter

Pool clarifier can help a sand filter trap tiny particles in cloudy pool water, but it works best only after the basics are checked and the filter is clean.

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

Filtration & Circulation · Archive date: · 3 min read

How to Use Flocculant in a Pool with a Sand Filter

Flocculant can help clear cloudy swimming pool water when you follow the label, let particles settle, vacuum carefully, and clean the sand filter afterward.

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

Filtration & Circulation · Archive date: · 3 min read

Why Is My Pool Filter Blowing Out Sand?

If sand is coming back through the returns, the sand filter likely has an internal failure or the valve is misdirecting flow. Shut the pump off and inspect safely.

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 Clean a Polaris Pool Cleaner Tailsweep

Turn off the pump, remove the Polaris tailsweep per the manual, and rinse away grit and debris. If it still drags or sprays poorly, inspect related wear or clogging.

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

Skimming & Debris · Archive date: · 3 min read

What to Check When Your Pool Skimmer Pulls Water but Misses Debris

If your skimmer pulls water but leaves leaves, bugs, and pollen behind, check water level, basket blockage, the weir door, and circulation before calling a pro.

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