Calculator Use: Terms and Limits
Copy revised: September 30, 2026
Using the Site
Using Pool Calculator Hub means you agree to these terms. If you do not agree, do not use the site.
Estimates for Educational Use
IMPORTANT: These calculators and guides are for educational use only. They do not replace professional pool service, Certified Pool Operator (CPO) guidance, or the instructions for your chemical product and equipment.
The tools estimate changes from the measurements and assumptions they show. They cannot capture every change in your water or equipment. Use a fresh water test, the correct formulation and the product label before adding chemicals; retest before calculating another addition.
For commercial pools, spas, health-critical situations or chemistry problems you cannot resolve, consult a licensed pool service professional or Certified Pool Operator.
No warranties. We make no warranties, express or implied, regarding the accuracy or completeness of calculation results. Use of this site is at your own risk.
Handling Pool Chemicals
Pool chemicals can cause harm. Follow these precautions:
- Read the chemical label before opening or using the product
- Follow every handling and safety instruction on that label
- Use the label storage instructions and keep chemicals away from children
- Do not mix pool chemicals together
Pool Calculator Hub is not responsible for accidents, injuries or property damage caused by pool chemicals, including chemicals named in a recommendation or used in a calculator estimate.
Commissions from Product Links
We may earn a commission on purchases through product links. Read our Affiliate Disclosure for the partner list and how referrals work.
Using Site Content
Pool Calculator Hub owns the site content, including its calculator logic, text, graphics and compilation, which are protected by copyright. Personal, non-commercial use is allowed. Reproducing, distributing or creating derivative works requires permission.
Limits on Liability
No liability for damages. To the maximum extent permitted by law, Pool Calculator Hub shall not be liable for any direct, indirect, incidental, consequential, or special damages arising from your use of this site or its calculators.
When These Terms Change
We may change these terms at any time. If you continue using the site after a change, you accept the revised terms.