With over 400,000 members, TFP is the largest and most influential pool & spa website on the Internet. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a …

Discover the pool calculator behind the perfect pool, PoolMath. Dealing with pools has allowed TFP to become the original authors of the best calculator on the net. To help you better …

Apr 24, 2014 · Unfiltered pool water enters the intake, skips the sand, and immediately goes out the discharge and back to the pool. The most practical use of this setting is during the early …

Nov 22, 2024 · An outdoor pool under a cage or cover does not need as much CYA as an outdoor pool in full sun. What are the Correct CYA Levels for an Indoor Pool or Spa? CYA is not …

Apr 27, 2025 · In fact, a pool with a 2.5:1 CYA:FC concentration has only 1/5th the active chlorine (HOCl) compared to a pool within the CDC's guidance for safe and ideal levels. So a pool at …

Jul 2, 2012 · Today I was sent to a pool that had turned cloudy when one of our techs added pH increaser (Sodium Carbonate). The pool is an 18x36 rectangle (about 24,000 gal.), vinyl liner, …

Apr 16, 2025 · Using the Pool Math program, determine the correct amounts of chlorine, CYA, acid or other chemicals needed and dose as instructed. You can find more details on proper …

With over 400,000 members, TFP is the largest and most influential pool & spa website on the Internet. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a …

Apr 15, 2020 · Pool related variables are automatically populated with “typical” values although these also can be changed to best represent a particular pool. Pool Water Evaporation Rates …

Mar 2, 2024 · With over 400,000 members, TFP is the largest and most influential pool & spa website on the Internet. The reason is simple: TFPC (Trouble Free Pool Care) is a …