I cant imagine how baking soda would lower pH. Acid is used to lower pH.
baking soda breaks down to CO2 and H2O, so you are putting CO2 into the water. I
should add that bs only adds CO2 as it breaks down in response to acid.
how old is you pH kit? did the sticks get wet?
Ingrid

~ jan JJsPond.us wrote:
I've often heard Baking Soda will lower a high pH.

The other odd thing, at least I find odd as I'm always preaching if your
water hyacinths are dying check the pH. Well the water hyacinths are green,
not growing much, but green.... and so is the water, but that I don't find
unusual considering the pH. I'd also like to mention the duckweed is
growing great in the block holes, I guess a high pH doesn't bother them. So
what do you think? ~ jan


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