DR.GT
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View attachment 681482 View attachment 681483 View attachment 681484 View attachment 681485 Can I get some opinions on what is happening with these leaves please?
This is right about the point where I usually start chasing my tail a bit. Deficiency or toxicity?
All three are off similar strains in one of my four pod UC. All are lower to mid level on the plants. Plants are into week three of bloom. I did change nutes ten days ago from GH Lucas to GH floroduo ( I know, not much of a change ). Slowly upping the ppms to find what they want and I am getting to about 350 right now , seems like they still want more because the ppm still drops about 30 parts overnight. All this tells me I am still a bit lean and I think that is what I see in these leaves but I have blown it beforeat this point and chased burn and canoeing issues for the rest of the cycle.
What do you folks see?
Btw... I scoured the backside with a loupe and saw no evidence of pests. I hit them with Spinosad twice before they move out of the veg room!
What is your pH doing?