Pool School
How to Test Pool Water: Levels & Ideal Ranges (2026)
Learn how to test pool water in 5 minutes using strips, drop kits, or digital testers, then check your readings against our chart of ideal chemical levels.
How to Shock a Pool: Step-by-Step Guide (2026)
Learn how to shock a pool safely: test chlorine, calculate the right dose for your pool's gallons, add shock at dusk, and know when it's safe to swim.
Pool Care After Heavy Rain in Southern California
Storm left your pool cloudy and overfilled? Follow our step-by-step order: check equipment safety, lower the water, clear debris, retest, and shock.
How to Open Your Pool in Spring: LA Checklist
LA pools rarely close, but winter still leaves a mess. Use our printable spring opening checklist: debris, pump, filter, water level, testing, safety.
How to Fix Cloudy Pool Water Fast
Clear cloudy pool water fast. Follow the right order: test and balance, shock only if needed, clean the filter, add clarifier or flocculant, then re-test.
HASA Liquid Chlorine for Pools: Dosing & Use Guide
Learn how to dose HASA liquid chlorine by pool volume, add it safely, and why it won't raise CYA like trichlor tablets. Includes a dosing chart.