Serious yellowing and small brown spots from bottom up!

JRTokin

Active Member
Hello all,

Im coming toward the end of veg cycle and lifting up canopy today to check through the bottom leaves i found these! DSCN2863.jpgDSCN2864.jpgDSCN2862.jpgDSCN2865.jpg

I took these leaves from the bottom part of the plant, and although they do not recieve much light i wouldnt have thought they would be yellowing like this at this stage.

Im currently growing in coco and am using canna a and b & sensical. Watering at 1.1-1.2 EC.

Having thought the plants were suffering some form of mag def i have recently sprayed with epsom 1/2 tsp on two seperate occasions at lights off with no changes.

Not sure whether to continue useing epsom and treating for mag def or upping the nutes. could this be caused by N def?
 
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