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I am thinking to substitute colloidal silver for H2O2 in the res, not just to purify the mix, but hopefully allow the plants to absorb a little as a mold/fungus preventative. Has anyone out there tried this? I realize that this may kill off some beneficial bacteria in the substrate, but so does H2O2.
from Hydroponics / Aeroponics https://www.rollitup.org/t/colloidal-silver-in-the-res-instead-of-h2o2-any-thoughts.386688/