Shop Linerworld.com
Linerworld Blog

Pool Terms and Definitions

**Definitions are taken from ANSI/NSPI standards courtesy of the Association of Pool & Spa Professionals** 1. Acidic- Having a pH below 7.0. Opposite of basic. 2. Adult Supervision- Supervision by...

What is a Return Jet or fitting?

The return (called the return fitting or the return jet) is the plastic fitting where the filtered water goes back into an above ground swimming pool. It is recommended to...