Jimster
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The light shouldn't change anything other than possible light bleaching, although this usually happens only on the leaves closest to the lights, not bottom leaves. It does almost sound like a Nitrogen deficiency, since they usually start on the bottom fan leaves. Leaves also sometimes act funny when they either change from getting no light to full light, or full light to weak light. I find it best to give a week between changes before I worry too much, some plants are sensitive to changes in light and conditions, and some are like cockroaches that will live thru anything.
Since things seem to be improving somewhat, I would let them go to see if they grow out of their current problem. FWIW, the day after I feed my plants (I don't feed them everyday like some methods) I see a bright green splash of color, which is the new leaves growing. Within a day or two, the color should darken and only new growth should be the bright green color. I think you are on the right track.
Having a Nitrogen deficiency appear suddenly like that is unusual. Improved lighting will result in faster growth, but I don't think you would see it so quickly. While I'm not one for chasing Ph, it would be worth a check to make sure that you aren't seeing nutrient lockout...but I think the problem is just shock from transplanting and changes in lighting.
Since things seem to be improving somewhat, I would let them go to see if they grow out of their current problem. FWIW, the day after I feed my plants (I don't feed them everyday like some methods) I see a bright green splash of color, which is the new leaves growing. Within a day or two, the color should darken and only new growth should be the bright green color. I think you are on the right track.
Having a Nitrogen deficiency appear suddenly like that is unusual. Improved lighting will result in faster growth, but I don't think you would see it so quickly. While I'm not one for chasing Ph, it would be worth a check to make sure that you aren't seeing nutrient lockout...but I think the problem is just shock from transplanting and changes in lighting.