Check the vid. Scroll to about 19:30 in. There's also some before that where's he's making the hill... seems like a good idea. I also just came up with and idea of utilizing organic cheesecloth to separate layers (MTS/Sand cap) I'm not sure I'm the first one to think of it. I'm sure the sand will mix after a while... but I'm hoping my HC's root system will prevent that (and by that time.. it'll be so thick it won't matter) Good luck!
Must have missed it but.... What vid?
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