Simple Pool: Chemistry & Math

Unlock crystal-clear pool water with Simple Pool - the pool chemistry calculator with no subscription, ever. One purchase, lifetime access. Simple Pool helps you test, dose, and track your pool water chemistry with precision. Get CYA-aware sanitizer targets, practical dosing recommendations, and powerful tools that make routine pool maintenance faster and easier. Whether you manage a chlorine pool, saltwater pool, bromine pool, or hot tub and spa, Simple Pool gives you accurate chemical calculations - including algae treatment dosing - every time. No more overspending at the pool store - just enter your test results and get exactly what your pool needs. What you can do: • Keep a chemical log of every addition with the unified Activity History • Log full water tests or Quick Tests in seconds • Built-in LSI calculator tracks the Langelier Saturation Index (LSI/CSI) to prevent scale and corrosion • Get dosing recommendations for chlorine, acid, total alkalinity, calcium hardness, stabilizer, and more • Set your exact chlorine concentration and acid strength for precise dosing • Use Shock Treatment mode (chlorine/saltwater pools) with progress tracking • Set recurring test reminders and shock retest reminders • Use the Chemical Effects Calculator to preview chemical changes before dosing • Track trends and test history over time with interactive charts • Haptic feedback confirms pool status at a glance • Support for chlorine, saltwater, and bromine pools • Keep visual track of how your pool is doing over time by snapping a photo during water testing • Share your pool's progress by tapping the share icon on your water test details Simple Pool Pro (one-time purchase, no subscription): • One-time purchase - no subscription, no recurring fees • Unlimited pools and spas • Full test and activity history • 90-day and all-time trend ranges • iCloud sync across Apple devices Free includes: • 1 pool • Test logging and dosing recommendations • 7-day and 30-day trends • 30 days of history Spend less time managing pool chemicals and more time enjoying your pool. Download Simple Pool and make pool care simple. Links: • Privacy Policy: https://sites.google.com/view/simple-pool-privacy-policy/home • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/