HELP Sudden yellowing of fan leafs, 6 weeks into flower

PotSmokingJock

Well-Known Member
Hello

Well got a nice girl growing under 4 150w cfls in my grow box, no need for me to go into the grow box as its produced gr8 results in the past.

this strain is Nirvanas Ice everything was going fine or is going fine however over the last couple oh days av noticed some lower fan leafs turning spotty yellow, it starts on the middle leaf of the fan leafs then spreads to the others.

Only changes to this grow i have made from the previous ones= I recently tried the sugar and yeast CO2 generator trick and have had the bottle in the grow box for the last 2 weeks,

my other suspicion I use Miracle grow all purpose n judge the amount by hand to ad to water quite poss i could be over feeding?

does anybody have any idea what this could be and if it could be related to my actions above.

cheers
 

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