Migrower
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Because mobile and immobile nutrients are different. New growth will be immobile and older growth will be mobile. This is because with mobile nutrients the plant can rob them from older leaves to prioritize new growth. Unlike immobile nutrients like calcium.Ok a little more info. I ph my flower nutes to 6.3-6.5 I do not always add in all my supplements every feed. Like super thrive one feed every 20 days endind week 5 of flower. Plants are off the floor and again this is only happening to a few select tops on only two plants of seven. And sarraphine actually sounds very spot on with symtoms. But wouldn't the whole plant be like that.
Every 3-5 feeds it's in my grow nutes alreadyAlmost looks like excess calcium to me. Are you using calmag?
UnderstoodBecause mobile and immobile nutrients are different. New growth will be immobile and older growth will be mobile. This is because with mobile nutrients the plant can rob them from older leaves to prioritize new growth. Unlike immobile nutrients like calcium.
That's kinda what I was thinking. But so much in there. Calcium is an antogonist to MN,K,Fe,Mg,B,Zn and P. But it could also be high P.Almost looks like excess calcium to me. Are you using calmag?
Sulfur immobile too which is why new growth show symptoms first.Because mobile and immobile nutrients are different. New growth will be immobile and older growth will be mobile. This is because with mobile nutrients the plant can rob them from older leaves to prioritize new growth. Unlike immobile nutrients like calcium.
Yeah the only reason I don't think its sulfur is he is adding it with thise supplements. And it's not really affected by any of the supplements he is adding. But that does not mean it's not just feel it's lower on the list of probability.Sulfur immobile too which is why new growth show symptoms first.
Sure it wasn't the magnesium?Hey Migrower, I think Seraphine is spot on. I was going to post this in my other thread, but I think its more applicable here.View attachment 920161
You can see the purpled woody stem and all the nice green new growth now. The plant is still in veg not flower which may make a difference, but I do not think so. I mixed 1 tbls. Epsom salt with 1 gal water ph between 6.5 and 7 (I use liquid ph checker not a pen), and did a 1.5 liter heavy water as well as a heavy foliar spray. Came back the next day with straight water only, same ph foliar spray, which I am still doing thats why you see the grey lines in the leaves
Yes and i feel its micro deficiency caused by hi P. high P effects iron and zinc (both of which are immobile so it shows up in new growth) uptake and i'm kinda feeling like this is the issue but again it could be sulfur. Now the Magnesium in Mg sulfate will lower the availability of P and in turn can correct what was thought to be a sulfur deficiency if that makes senseThe reason I am leaning towards sulfur is because sulfur is immobile and the symptoms match his. If it were magnesium, the symptoms would be present on the oldest/lower leaves first.
The symptoms are presenting themselves on the new growth, if I read the original poster right.
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