On Wed, 2 Apr 2003 19:45:18 -0800, "linda mar"
wrote:

won't sulfate be bad? (change into something toxic?) or do they also get
eaten up by the plants?

btw, do either chemicals (KNO3 and/or KSO4) change pH?

linda


As long as you do regular water changes the SO4 won't hurt a thing.
In fact it's pretty hard to make it toxic. And neither one will
change the pH if you get high quality stuff.


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