How PoolChem Tracker works
From test kit to balanced water, and everything else that keeps a pool running. No chemistry background needed.
Test your water and enter the results
Use whatever test kit or strips you already have. Enter your readings: free chlorine, pH, alkalinity, CYA, calcium hardness, and water temperature.
- Takes about 30 seconds to log
- Supports all common test parameters
- Auto-calculates combined chlorine from FC and TC
See exactly what your water needs
PoolChem Tracker analyzes every reading against ideal ranges and calculates your pool's overall health score, a single 0-100 number that tells you where you stand.
- Health score based on up to five parameters; only readings you've entered count
- Color-coded status for every reading
- Flags problems before they get expensive
Know if your water is safe, or silently causing damage
PoolChem Tracker calculates your LSI (Langelier Saturation Index) automatically. This tells you whether your water is corrosive, scale-forming, or perfectly balanced.
- Full LSI formula with CYA correction
- Clear status: corrosive, balanced, or scaling
- Catches problems before they cause expensive damage
Spot patterns and catch drift early
Every reading builds your history. Interactive trend charts show how each parameter changes over weeks and months, so you can see what's working and what's drifting.
- Interactive charts for every parameter
- Health score and LSI trends over time
- Spot seasonal patterns
- Export your data as CSV anytime
Track every task that keeps your pool running
Beyond chemistry, a healthy pool needs regular maintenance. The Tasks tab keeps your filter cleanings, SWG cell checks, and equipment inspections organized in one place.
- Log maintenance as it happens
- See what's overdue at a glance
- Covers filter, SWG, equipment, and more
What's under the hood
⚖️ LSI Calculator
Full Langelier Saturation Index with CYA-corrected alkalinity, polynomial temperature factors, and salt-adjusted TDS. Not the simplified version. Calculates from your actual test readings, not backwards from a target LSI.
📊 Health Score
Up to five components scored out of 20: FC, combined chlorine, pH, LSI, and CYA. Only the readings you've entered contribute, and the score still reports out of 100. One number that tells you if your water is balanced.
💊 Smart Dosing
Chemical recommendations based on your pool volume, current readings, and target ranges. Prioritized so you fix the most important thing first.
📈 Trend Charts
Interactive graphs for every parameter. See how your chemistry changes over weeks and months. Spot seasonal patterns and drift.
🔔 Smart Reminders
Configurable reminders for water testing, filter cleaning, SWG cell maintenance, and chemical inventory checks.
📦 Chemical Inventory
Track what chemicals you have on hand. Know when you're running low before you need to make a pool store run.
🌊 All Pool Types
Chlorine pools, salt water generators, and everything in between. Configure your setup and get tailored recommendations.
✅ Maintenance Tasks
Log filter cleanings, SWG cell checks, equipment inspections, and more. See what's overdue at a glance and keep every recurring task organized in one place.
📤 CSV Export
Export your complete reading history as a CSV file. Import previous readings. Your data is always yours.
Built for trust, not tracking
Your readings, dosing history, and pool settings never leave your device: no account, no cloud, no exceptions.
Ready to stop guessing?
Download free. Upgrade to Pro for $4.99, one time, no subscription.

