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Re: pmdd and gh

valarie wrote:

Will the addition of PMDD increase the GH in a planted tank?  The GH of my
water as it comes from the tap is 13, however in my tank that is dosed with
PMDD it is 17.  I was wondering if the fertilizer is increasing the GH.  I
do regular water changes of 20% per week.

I write
It will if your putting magnesium sulfate in the mix as it calls for. 
Jeff Vamos
jbvamos at patmedia_net