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I’m looking to convert my 8 site dwc system to a hempy setup. I’m trying to decide on a media. Would a hempy setup work with hydroton on bottom and a mix of coco rice hulls and hydroton? Vermiculite/perlite is hard to access in my location. I also grow mushrooms in a room next door to my grow and recirculating the air to use co2 they exhale. so I plan to use this mix as a mushroom substrate as well. I even thought of adding worms castings. what should I use as a base mix for this? and what other additives should I add for the hempy and mushroom substrate?