Cashmeh
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If your ppms slowly climb every few hours you are overfeeding. If your ppms slowly fall, you are feeding correctly. Its near impossible to under feed. You give them none, some, or to much basically. You want to see your ppms lowering around 10ppms every 12hrs or so. I have 6 plants and my system holds 75 gallons. I still have to top off every 3 or 4 days with fresh nutrients or my ph starts dropping. Im in flower though so my root mass has been gettin pretty big. Anyways. . progress and gains. . congrads thus farPpms are back and forth. Between 840-910 this morning. 500 scale. The roots are healthy.