Quote:
Originally Posted by frayedends
I'm a bit confused by this. If the soil is alkaline then you would not want calcium carbonate nor dolomite, as they both neutralize acid. In other words they are alkaline.
In addition, coffee has been used to lower the pH making it more acid.
Maybe just a mix up on the scale, but FYI...
pH above 7 is alkaline/caustic.
pH below 7 is acidic.
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You are correct.
The lime was suggested by a "reply", not by me.
Coffee works great to amend the pH in this area.