I personaly dont think its a good idea to reuse soil, it seems to be good to use coco again though i have a friend that is into his sixth grow with it.
He uses cannazyme which breaks down all the dead root matter,:hippy:
Greenthing Reviewed by Greenthing on . Reusing Potting mixes I have not seen this question asked before and I would like some input by other growers. Can potting soils be used over again? If yes what would you have to do to the "soil" to make it viable again. Thanks all. Rating: 5