blackforest
Well-Known Member
It didn't help that my ph pen was off either I discovered. I'm certain I had the ph too low. Pen was reading 7.4 in the calibration solution. I think it was running in the low 5's for longer than I wanted. I was wondering why the new tops were as yellow as they were because there was plenty of N in the system. I had them in plain ph'd water for the last 24 hrs and did a ph reading and it was around 6.3 (after I calibrated my pen). They are drinking again and quite a bit of the yellowing is already greening up. Hard lesson learned.Can you increase light intensity? Not that it's been a few days, I'll bet they'd really respond.