Jandy AquaPure SWG Manual only recommends 1-3ppm FC


Gold Supporter
TFP Guide
Jul 21, 2013
Northern NJ
Pool Size
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
The pool industry has been cut and pasting the same government recommendations for pool water chemistry for over 30 years without any updates in the science.

ALL the pool industry is still ignoring the relationship of FC and CYA ... the 1-3 ppm number is meaningless once there is CYA in the water. You don’t find the FC/CYA Chart in equipment manuals.

Your pool will be less harsh following the TFP recommendations than a public un-stabilized pool. In fact, even at the shock level FC for your CYA, that is STILL a lower active chlorine level than a pool with 0 CYA and 2ppm FC.

I suggest you read ABCs of Pool Water Chemistry.
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