Free pool care app
Pool water calculator.
Right at the pool.
Enter your readings, get a conservative dosing plan, and keep a local treatment history — no account, no cloud, no guesswork.
What it does
Pool chemistry made simple
Built for homeowners and pool owners who want to stay on top of their water without the guesswork.
Dosing plan in seconds
Enter chlorine, pH, alkalinity, and stabilizer. Get a conservative treatment plan — no product-label math required.
Local treatment log
Every reading and dosing action stored on your device. No account. No cloud. No subscription required to keep your history.
Works offline at the pool
No signal? No problem. Calculate your plan and log the treatment even where there is no coverage.
Safe margins by default
Conservative dosing built for homeowners. Never over-treat. Retest prompts built into every completed treatment.
Coming this summer
Be first to know when it’s live.
Free pool chemistry calculator for iOS and Android. No account. No subscription. Just the math you need at the pool.