LandscapingCalc

Trichlor dose calculator

PRO

Trichlor tabs (90%) to maintain free chlorine.

Inputs

Pool volume

gal

Raise FC by

ppm

Result

Trichlor

0.78 oz

CYA added

1.8 ppm

pH impact

Lowers pH & TA

Pro calculator

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The formula

oz = (gallons ÷ 10,000) × 0.13 × ppm to raise.

Worked example

20,000 gal + 3 ppm FC = 0.78 oz trichlor.

Frequently asked

›Stabilized?

Yes — trichlor adds CYA; monitor it monthly.