I don't even know what I would do with a ppm meter. Just stay at or below the mfgrs recommend dosing.How important is the ppm for my soil grow i have not been checking it at all i have been using about half of the directed nutes and i think im gonna go full strength now that im about a month in.
Exactly what I do... and I even use hydro nutes in soil. Never had a problem.I don't even know what I would do with a ppm meter. Just stay at or below the mfgrs recommend dosing.