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Free Pool Chlorine (FC) Adjustment Calculator

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My pool holds: gallons
  • Skip Navigation LinksFree Pool Chlorine (FC) Adjustment Calculator

Adjust your pool's free chlorine (FC) level!

This tool will tell you what you need to do in order to adjust your pool's free chlorine (FC) level. Please select your preferred sanitizer, enter your pool's current free chlorine (FC) level, and enter your desired free chlorine (FC) level below, and then click the 'Calculate!' button.

Sanitizer:
Current FC level: ppm
Desired FC level: ppm
You are currently using U.S. units. Click here to switch to metric units.