PoolChem Tracker

Summer heat hits pool chemistry hard. Enter readings, get told exactly what to add. Accurate LSI and health score. Free to start, one-time Pro, no subscription, no ads.

Stop guessing your pool chemistry. Enter your water test results and get precise dosing recommendations based on your pool size. PoolChem Tracker tells you what to add, how much to add, and the best order to add it, while a simple Pool Health Score helps you see how balanced your water is.

No account required. No ads. Works completely offline. Your data stays on your device.

Supports chlorine pools, saltwater (SWG) pools, and all pool types. Available in Imperial and Metric units.

Start Free Includes 5 complete water test logs. • Precise chemical dosing recommendations based on your pool size • Pool Health Score (0–100) for a quick view of water balance • Prioritized treatment recommendations to help avoid overcorrecting • Chlorine targets that adjust based on your CYA level • Log FC, TC, pH, Total Alkalinity, Calcium Hardness, CYA, Salt, Iron, Copper, and Phosphates • Smart validation helps catch incorrect readings before saving • Full LSI (Langelier Saturation Index) calculator • Equipment maintenance tracker with reminders for skimmer, pump basket, filter, and SWG cell • Built-in reference guide with recommended ranges • Chemical inventory tracking • Automatic light and dark mode

Upgrade to Pro Unlock additional features with a one-time purchase. • Unlimited water test history • Charts and long-term trend tracking • Detailed Pool Health Score breakdown • Climate-specific water balance ranges for six climate zones • Trend detection with actionable insights • Maintenance history • Custom maintenance schedules • CSV export and import • Advanced reminders with custom intervals • Chemical concentration settings for common liquid chlorine and muriatic acid strengths • Advanced LSI factor breakdown with a "What If?" simulator

Designed for Pool Owners Who Want Accurate Water Balance PoolChem Tracker uses advanced water balance calculations, including CYA-corrected alkalinity, polynomial temperature factors, and salt-adjusted TDS, to provide detailed dosing recommendations and LSI calculations. Whether you're maintaining a traditional chlorine pool or a saltwater pool, it helps you keep your water balanced with confidence. Built by a pool owner who wanted a simpler, more reliable way to manage pool chemistry.