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I just read that I could use the same Luca formula for soil as they do for hydro grows.
yep , that is what I do
i still use the 8-16 ratio whether in soil or 100% perlite Hempy buckets
during bloom , rather than use a bloom booster like GH Kool Bloom , I just reduce the Micro to 6 and up the Bloom to 9 ml per gal