Contact

Email: contact@plantedmath.garden. The site is published by PlantedMath,United States.

Corrections

If a number, name or claim is wrong, please include the page address, the sentence or value in question, and a link to the source that shows the correct figure. Corrections that change a page are noted with an updated date on that page.

Calculator problems

Tell us which calculator, the values you entered, the result you got and what you expected. The calculators run in your browser, so we cannot see what you typed unless you send it.

What we cannot help with

We do not give individual tank diagnoses, fish health advice or product recommendations by email, and we do not accept sponsored content.