Yellowing of leaves during flowering?

GHOPZZ

Well-Known Member
I have all of a sudden been getting more and more yellowing of my leaves on 4 of my plants during flowering. They are in 1 gallon bags, and are in Pro-Mix perlite combo and been given nothing but organic nutes, they are clones. I have been giving them nothing but flowering nutes about 30-40ml once a week. Do i need to add some grow for some nitrogen? or is it a magnisum issue?? I had them really close to my 600 watt hps for a few days, could that be it? they still have a ways to go. What are everyones thoughts
 

GHOPZZ

Well-Known Member
Sorry can't do pictures yet, they were fimmed and have been in flowering for 3 weeks, it's a 10 week strain
 

oakley1984

Well-Known Member
usually yellowing is 1 of 3 things, nitrogen deficiency, lack of light, light burn... at least in my expeirience, the lack of light/light burn should be obvious and easy to figure out.
altho these are pretty generic signs.
 
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