Expert guides on water chemistry, maintenance schedules, and troubleshooting tips to keep your hot tub crystal clear.
Ways to test, the usual ranges and a simple routine.
Read Guide → GuidepH, alkalinity, sanitizer and the order to fix them.
Read Guide → GuideCloudy, green, foamy or smelly water.
Read Guide → GuideFilters, draining and water changes.
Read Guide →Yes, with two catches - bromine needs its own pad and hot tub target ranges differ. Here's what to know.
Read Article → Water CareAbout 3-5 ppm free chlorine after chlorine shock, ~15 min after MPS. Why the reading beats the clock.
Read Article → Water CareWhat every test strip color means, the ideal ranges for chlorine, bromine, pH, and alkalinity, and what you can try — for any brand of strip.
Read Article → GuidesOur picks for chlorine and bromine spas — including FROG, AquaChek, and LaMotte — and what actually makes a test strip accurate.
Read Article → MaintenanceMaster hot tub maintenance with our complete daily, weekly, and monthly checklist. Keep your spa crystal clear and extend its lifespan.
Read Article → Water CareLearn how to read pool and hot tub test strips correctly. Understand what each color pad measures and get accurate results every time.
Read Article →HTReminder uses AI to read your test strips and suggests what you can try; the amounts always come from your product labels.
Learn More About HTReminder