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11-08-2007, 09:02 PM #8Senior Member
how to adjust soil ph
use powdered hydrated lime to raise the ph make it more alkaline
use powdered sulfer to lower the ph, more acidity to it
can usually get both at local garden center for a few bucks a small bag
using peat type mix has given me problems in the recent past and have recently changed to a humus/pearlite mixture(far superior imho). using a peat mixture you will most likely want to make the soil more alkaline
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