Very sick looking new growth

Truckn

Well-Known Member
Hello,

I am having a problem in my grow rooms of recently. I have the crop that entered flowering on 12/29/2011 and Since then I have recently switched to Reverse Osmosis water, from what was 770 PPM of very hard water. These particular plants are showing the most affect, the other more mature plants do not seem to be suffering as much.
The symptoms are very dis formed yellow new growth that is brought on by the changing of the light cycle. Extremely hooked at the end of there sickly yellow leaflets.


View attachment 1980228View attachment 1980229View attachment 1980230View attachment 1980232I also have pictures however they were taken with a cell phone so they suck kind of. I tried to shadow out the lines that the lights make, and it seems to of worked. There is one plant in particular showing the worst of symptoms so I took a full plant shot and its clearly sick.View attachment 1980234

A lot of people suggest Nutrient Deficient particularly Cal Mag. Or other micro nutrients but I am using the full Advance nutrients line up, and sunshine number 4 which should be sufficient food for the plant not to turn sick.
 
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