Pool Care Basics

Chlorine / CYA Chart

Perhaps a cornerstone element of TFPC is understanding the relationship between the chlorine in your pool and the stabilizer you put in to protect the chlorine from the sun. Generally, the more stabilizer, the more chlorine you need to maintain its effectiveness. The charts below show the recommended relationship for outdoor residential pools. * Not recommended The shock levels shown have equivalent effective disinfecting chlorine amounts. At very high CYA levels it can be impractical to reach such high FC levels. At CYA levels over 80, a partial drain/refill to lower the CYA level is …
Pool Care Basics

Pool Circulation Systems

The circulation system of a pool plays a major role in cleaning, sanitizing and heating the water. Above ground or inground, temporary or permanent, simple or fancy, all pools have a circulation system and they are all remarkably similar. Water is pulled from the pool via one or more skimmers and sometimes one or more main drains by an electric pump. The pump provides pressure to push the water through a filter, and other water treatment or heating devices, then back into the pool via one or more returns.