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Hot Tub Chemical Dosing Calculator
Calculate chlorine, pH adjuster, and alkalinity doses for your hot tub volume.
In this article
Werte
Chlor: 3-5 ppm. pH: 7,2-7,8. Alkalitaet: 80-120 ppm. Warmes Wasser (38-40°C) braucht mehr Desinfektion. 2-3× pro Woche testen.
Pflege
Wasserwechsel alle 3-4 Monate. Filter alle 1-2 Wochen reinigen. Schockchlorung woechentlich.
⚡ CalcWolf Insight
The #1 hot tub health risk is not chemicals — it is Pseudomonas folliculitis ("hot tub rash") from inadequate sanitization. Maintaining 1-3 ppm chlorine eliminates this risk. The bacteria grows rapidly in warm water (104°F) with low sanitizer — even a few hours at 0 ppm chlorine can cause an outbreak.
Frequently asked questions
Wie oft testen?▾
2-3× pro Woche. Nach intensiver Nutzung: sofort.
Wasserwechsel?▾
Alle 3-4 Monate.
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