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aquaverde said:
Just to query some clarification-
I don't know what Black Diamond is, but Diamond Black is lignite, which is one of the ingredients in Fertiplant. I think this is what Shane meant to refer to? Lignite is a form of coal, IIRC.
If lignite is a form of coal, then could you use barbecue coal and smash it up and use as a substrate additive? interesting thought to ponder
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