Zorak Member Nov 11, 2009 #1 I was in walmart and saw powdered ph down for hot tubs in the pool section very cheap. Is this stuff safe to use in a DWC system? If not whats the best easy to find, cheap, ph down.
I was in walmart and saw powdered ph down for hot tubs in the pool section very cheap. Is this stuff safe to use in a DWC system? If not whats the best easy to find, cheap, ph down.
Cronic The Hemp Hog Active Member Nov 11, 2009 #2 some PH adjusting solutions use sodium, which can add excessive salts.
