SwimReady: Pool & Hot Tub Care

Test your water, get the exact dose, and know in seconds whether it's safe to swim. Free TFP-style calculator, no account required, private iCloud sync.

Is your pool or hot tub actually safe to swim in? SwimReady tells you in seconds — and gives you the exact dose to fix it when it's not.

Log a reading from any test kit or strip and get a clear verdict plus a step-by-step fix. No account. No ads. No one trying to sell you chemicals.

SWIM-READY SCORE Every test becomes an instant 0–100 score with a plain verdict: Ready, Caution, or Don't Swim. Each issue is explained and paired with the exact fix.

EXACT DOSING — CHLORINE AND BROMINE • Liquid chlorine, bleach, cal-hypo, dichlor, trichlor — any strength • Full bromine support: hot tubs are not an afterthought • pH, alkalinity, CYA, calcium hardness, and salt corrections • Any volume, from a 200-gallon spa to a 50,000-gallon pool • Results in fluid ounces, cups, gallons — or metric

WATER DOCTOR Green water? Cloudy? Strong chlorine smell? Pick your symptoms or snap a photo and get a diagnosis with a complete treatment plan, including shock dosing.

HISTORY AND TRENDS Tests and chemical additions save together, atomically — nothing silently disappears. Charts show how your water responds over time.

REMINDERS THAT ACTUALLY FIRE Testing, filter cleaning, backwash, and shock schedules delivered as real notifications, at the time you choose.

SYNCS WITH iCLOUD — NO ACCOUNT, EVER Your history lives in your private iCloud. New phone? It's already there. Nothing to sign up for, nothing to lose.

LEARN THE WHY Plain-English guides for every reading: what CYA actually does, why alkalinity drifts, when to shock, and how the free-chlorine-to-CYA relationship keeps water sanitary.

Built on the same free-chlorine/CYA chemistry method trusted by serious pool owners — accurate math, independent advice, and answers you can act on today.

Dive in. Know before you swim.

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