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My plants are yellowing from the vein to the edges. Coco, general organic fert, 5 weeks old. I have flushed but new leaves seem to be coming out yellow. 1000 watt metal 30" away from tops. Any help would be appreciated.
Pics of the whole plant would help. And I'm and LED guy but that seems a little close for a 5 week old plant on a 1000 watt HPS. From the pic it doesn't look bad. Most of my new tops look yellower then the rest of the plant.
Hit it with some calmag and make sure your ph is at 6 in and out.
30" is plenty far away...too far...do you have hood exhaust or cool tube...you should still be closer even with out those.
Pic of set up would be great...picture looks like she is a beauty....
Well I scrolled up and saw I repeated what everyone else said...sorry guys
Entire room with other plants pulled to the side. The largest is the worst but I see some of the yellowing starting on others. I have increased nutrients, especially calmag and have gone to "pure" water. In a coulee of days when new leaves show I will post any changes. Thanks for the help and input.
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