Baking soda is quite safe since it is a "buffer" at about pH 8.2. That is
quite safe. I add a small box whenever the pH gets down to 7 or so in my
roughly 2000 gal setup.
--
Jim and Sara Humphries, Victoria, BC
"Szpond" wrote in message
...
Did I read somewhere that you can add Baking Soda in increase your PH
level?
How much per gallon? Thanks, Cathy