PDA

View Full Version : ph minus


frontrowjoe
06-28-2012, 07:43 PM
What ingredient from the grocery store can I buy to substitue for sodium bisulfate (ph minus) ?.


Again thx in advance...
PoolDoc
06-28-2012, 08:46 PM
Muriatic acid . . . from Lowes, not the grocery. But, FIRST read the MA page linked in my signature!