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Cure Time Calculator

Estimate cold-process soap cure time based on water content, recipe hardness, and environmental factors.

Inputs

%
%

Average humidity in your curing area

Results

Minimum Cure Time

4 weeks

Recommended Cure Time

6 weeks

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Tips

1
Good airflow matters more than temperature. Use a wire rack in a dry room.
2
Water discount recipes cure faster but set up quicker in the mold, reducing working time

Open formula

Cure Weeks = Base Weeks × Water Factor × Hardness Factor × Humidity Factor

Starts from a 4-6 week base and adjusts for water discount, hardness index, and humidity.

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