MediaHound

I dont even bother with additional perlite or vermiculite for my growing conditions. I've never grown bananas indoors. My potting mixture consists of peat and a commercial potting mix, the one in the black and white plastic bag. (will have to double check for the brand name) It creates a spongy substrate that holds to the roots (or vice versa :P) fairly well. I occasionally add peat if anything to the commercial mix.

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Apologies in advance if I am slow to reply to your PM. I suggest posting in the forums for support if you need something urgent.