Basics
How to read a hot tub test strip
What each pad measures, how to get an accurate reading, and what the numbers should be for a spa.
Read the guide → Fix itHot tub pH too high — what to add and how much
Why spa pH drifts up, what pH decreaser actually is, and how to dose it without overshooting.
Read the guide → TroubleshootingWhy is my spa water cloudy?
A step-by-step troubleshooting guide, from sanitizer levels to filters — in the order that actually works.
Read the guide → DecisionsChlorine vs. bromine — which should you use?
An honest comparison of cost, maintenance effort, and feel, and how to switch if you change your mind.
Read the guide → RoutineHow often should you test your hot tub water?
A realistic testing schedule based on how often you soak — plus the moments you should always test.
Read the guide →