I'm assuming you are in flower. here is a chart i've found useful. Deficiency.jpg
I think this is either too much or too little Potassium. I didn't make the super soil mix that is causing this so I can't tell you want went into it, unfortunately.
Kinda hard to tell without more info on the plant or a pic of the plant
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That's all fine and dandy, but I still need someone who knows disease really well and has seen this before and fixed it; to please help me out. Otherwise, I will have to re-pot 7 plants, tomorrow. They have 10gal root balls and they are in 20gal pots now. Not looking forward to that...
looks/sounds like N is lacking. have u checked the soil for root aphids as well? not likely based on description, but a thought. if it is N, mayby do some foliar feeding until they adjust? soil ph locking out N?
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Whats up eye, your new avatar is scary! Too lazy to retype but here ya go, from a post I just put on the organic threads. I think True gave me the info I was looking for but if anyone can help PLEASE chime in =D
- Wassabie brother!! Great, testing out some super soil and organic teas. We just took the girls off of Sensi Bloom A + B grow, and put them into full strength supersoil. Unfortunately due to circumstances we were unable to bake or moisten it. "I swear I wanted to but had no choice in the matter". At day 7 in flower I dosed her with some fungal dominant tea, a day later the ac went haywire and the room hit 100degrees two days in a row. Now there are Yellowing leaves scattered randomly around the bottom of the plants. The new flowering growth looks AMAZING, I'm talking 1/8 inch inter node's growing 2-3 new budsites a day and healthy green top 3 feet of plant. When I was using organic nutes from veg to flower this was kinda normal but not so soon. Now with the Uncooked supersoil, High Temps, and Switch from synth to organic feed cant tell whats going on. They look great to me with the exception of the 1/100 leaves yellowing and falling off a few weeks early. They exploded after the fungal tea but also began the random yellowing of a few lower leaves. It stoped as of today, no new yellowing lower leaves just lots of new calyx growth and about 2 inches of new growth "day 10 =D".
Sorry for the long block of text, just smoked a bowl or two.