Quote:
Originally Posted by PR-Giants
https://en.wikipedia.org/wiki/Grain_...orth_scale.png
Clean Coarse Sand allows me to build free underground humidity chambers that are simple to maintain. There's plenty of air and just needs moisture.
Some people prefer buying Horticultural Sand or some other high priced equivalent.
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So in a way, its basically a semi-aeroponic system.
That's crazy cool. I've seen your posts on this before, but how did you come up with this method?