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[APD] RE: Need some help with Chemicals


KH2PO4 has 69.8% PO4 while K2HPO4 has 54.4% PO4, so I would think you could
just use 69.8/54.5= 1.28 times more of the stuff you have to get the same
PO4 as KH2PO4.  I have more info at :


If you need a specific calculation, send me the info off-list and I will
figure it out.

This stuff has a lot more K, but since you will be using this stuff in small
quantities I don't think its significant.

Steve Pituch

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