Chlorine Dosing Calculator
Tell us your current free chlorine, your target, your gallons, and what kind of chlorine you use — we'll give you the exact amount to add.
Best for: Owners who buy their own chlorine and want to stop guessing.
Your pool
What are we dosing?
Add this much
To raise FC by 2 ppm, add
1.6 fl oz
Liquid chlorine (12.5%)
How to add it safely
- Add with the pump running.
- Pour liquid chlorine slowly along the deep end.
- Broadcast cal-hypo or dichlor evenly over the surface.
- Trichlor tabs go in the skimmer or a floater — never on plaster.
- Wait 30 min before retesting.
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