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- Dabs of Rosin.
The sulfuric acid does not effect the nutrient balance it just adds to the TDS. My balance spreadsheet for autos is under constant revision as I get new information, but I am seeing good results where it is used now. I have a new calcium product that is supposed to have no Nitrates so it will be a game changer in flower when I want to get the Nitrogen down.Also use the Bud Booster, but I make sure I stay around 1000µS/cm. With the addition of the Sulfuric acid to lower the pH to 5.95-6.0 the EC ended up at around 1100µS/cm.