Poolbook: Pool & Hot Tub Log Live

Poolbook is the pool and hot tub water log that tells you exactly what to add, and doesn't charge you to save your tests. Log chlorine and pH in seconds standing by the water, free, with no account and no signal needed. LOG A WATER TEST IN SECONDS • Free chlorine and pH up front: two fields, then Save • More readings when you need them: combined chlorine, alkalinity, calcium hardness, stabilizer (CYA), salt, bromine, borates and water temperature • Your pool or spa is already picked, so you never log to the wrong one • Unlimited tests and history, free EXACTLY WHAT TO ADD • Every reading in green, amber or red against its target • "What to add": the exact amount of your own chlorine, acid or other product, in your units • Tap "Added" and it goes to your log • Chlorine targets based on your stabilizer (CYA), editable, plus the LSI • Too much CYA, calcium or salt? It tells you how much water to replace CALCULATORS, FREE • Dose calculator for chlorine, pH, alkalinity, calcium, stabilizer and salt • Pool volume for rectangular, round and oval pools • Drain and refill: the percentage and volume of water to change • No ad to see a result. Ever TASKS WITH REMINDERS • Skimmer baskets, brushing, filter backwash, salt cell, full test, spa filter rinse, drain and refill and more • One notification on the day a task is due. Nothing else CHARTS AND YOUR DATA • Free chlorine and pH over time with the target band, free • Backup and restore to a file, free • Export tests and additions to CSV, free • Gallons or liters, °F or °C, and your currency • Works fully offline. No account. Everything stays on your phone PREMIUM: TRY IT FREE FOR 7 DAYS • Yearly or monthly with a 7-day free trial, or one payment for life • Cancel anytime in Google Play • No ads • Unlimited pools and spas • Every chart: each reading with its target band, LSI over time, season vs. season and daily chlorine loss • Chemical spending by month, season and product Amounts are guidance: always follow the product label, add one product at a time with the pump running and never mix chemicals. Privacy policy: https://poolbook.alekla.com/privacy/