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I actually have close to same thing going on but it doesn't seem to affect the girls. My ppm is between 2200-1900 and I thought it was high. My PH doesn't fluctuate too bad. I only add back straight water ph @ 5.5 and it balances where I like @ 5.7

I agree it's a waste of time. Kill them

First pic was taken on Mar 27th. Plants are skywalker and grimace that I cloned from last group. They were planted right after roots popped out of rockwool. As for lighting, I am running (2) 4ft 8bulb T5's with 54w HO bulbs 24hr on. First time using t5 and I can't complain. Nutes are GH Flora...

Dude, Im running my dwc using Lucas formula too, and I think you're burning the shit out of them if ur 8-16/gal.. That's for flowering, veg is 5-10/gal. For veg, I go with 5-10mL & ppm around 600-750 PH 5.5-6.2. Sometimes even with strong rooted clones in rockwool, some don't like it and the...

Should I follow the Lucas formula for soil grow?