Quote:
Originally Posted by dshreter
Do you measure your pH from runoff to account fir the medium or the fetigation solution? I’m growing in mostly peat which I understand is acidic, so I assume needs to be factored in?
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You are not growing in peat moss, but in a mix based on peat moss. The pH of that mix is probably somewhere around 6. You should definitely do at least some runoff measurements to see how off they are. The more runoff, the closer they will be. The pH of the water is not that important, but the carbonate content, that will mostly dictate what direction your rootzone pH will go to.
Also, a stock solution with calcium nitrate should definitely possible, texas tomato food has a good amount of calcium nitrate in it, not sure what the trick is though.