Quote Originally Posted by aylad
Start with about 1/2 box, add slowly through skimmer breaking up clumps, give it a couple hours to circulate, then test--and add more as needed. You're looking for the 7.2-7.6 range.

Janet
Not to be a PITA, but what size box? Is this the "grocery store standard size" or the "Sam's Warehouse Club" box? Can you give your recommendation in cups or something? Thanks!!