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Pool Chemical Dosing Calculator

Built by Kevin Glover · @gloverbuilds · Verified formula

Calculate chlorine, pH, and alkalinity doses for your pool size. Keep water balanced and safe.

📅 Updated April 2026 ✅ Formula verified 📖 4 min read 🆓 Free · No sign-up

In this article

Pool Water Balance
Common Dosing Mistakes

Niveaux

Chlore libre : 1-3 ppm. pH : 7,2-7,6. Alcalinité : 80-120 ppm. Stabilisant : 30-50 ppm. Tous dosés par volume d'eau — une erreur de 30% sur le volume = 30% d'erreur de dosage.

Entretien

Testez 2-3 fois/semaine. Chlore : ajoutez le soir (le soleil le dégrade). Choc hebdomadaire. Budget mensuel : 30-60 €.

⚡ CalcWolf Insight

The most cost-effective pool chemical: liquid chlorine (12.5% sodium hypochlorite). At $4-6 per gallon, it is cheaper per dose than tablets or granular, and it does not add cyanuric acid (CYA) — which builds up from tablets and eventually makes chlorine ineffective. Use liquid chlorine for daily dosing and cal-hypo for shocking.

Frequently asked questions

À quelle fréquence tester ?▾

2-3 fois/semaine en saison. Après pluie ou usage intensif : immédiatement.

Combien de chlore ?▾

Dépend du volume. Généralement 200-300g de chlore choc par 10 m³ pour remonter de 1-3 ppm.

✓ Math logic verified against primary sources → See our verification process

Kevin Glover · @gloverbuilds

Founder, CalcWolf · GLVTS · Blickr

All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →