Terms

Terms of use

Last updated November 13, 2026.

Who provides BatchFinch

BatchFinch is provided by AdModifier LLC ("we", "us"). Its pages and calculators are free to use. By using them you agree to these terms with AdModifier LLC.

Check before you make a batch

Lye (sodium and potassium hydroxide) is a strong caustic. The numbers on this site are for planning; you are responsible for your own recipe, your measurements and how you handle lye. Check every lye amount with a second calculator before you make a batch, weigh on a scale, and follow the safety steps on the home page.

Names of companies and products

Names of companies, suppliers and products appear only to describe them or to credit a source. BatchFinch is not connected with, or endorsed by, any of them.

As it is

The site and calculators are provided as they are, without any promise that a result suits a particular purpose.

Copying

The text, examples and code of this site are ours. You may link to any page and quote short parts with a link. Please do not copy or republish whole pages, tools or the design.

Changes

We may update these terms; the version on this page is the current one. Questions: hello@batchfinch.com