Quote:
Originally Posted by asaump
Given I'll have about 2 cu ft of MG in a 15G bag, how much perlite would you add?
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I'm not a baker (heh- the wifey does and it drives me nuts) so it would be hard for me to answer in measurements. She does the whole tap to settle the ingredients, etc, deal. For me. it's a bit of this or that.
Go to a local Hydroponics store. They usually have the ~good stuff~ - promix, extra coarse vermiculite, etc. Are you planning to screen it so you're not putting dust it. For a 15G, I would easily see you adding 4 inches of this, mixed in, just to help aerate the the MG mix.