Refilling the Pool!


New member
Jun 2, 2007
Hi, y'all!

I'm filling a large community pool after a draining for various maintenance. it's going to take another day or two fill completely, so my queston isd, when should I begin hitting the pool with BBB? Ph is pretty good already (7 to 7.2), though our present testing resources are old. Calcium is WAY low, alkalinity a bit low.

Should I start guessing now, as it fills, or wait a bit until the pool is full?

Thanks for your help!


TFP Expert
Platinum Supporter
LifeTime Supporter
May 7, 2007
Silver Spring, MD
Generally you want good circulation when adding chemicals. If it is only going to be a day or two I would wait till you have the pump running.