Yellowing Day 39 - Sin Tra Bajo & Critical Mass Autos

4uto

420 Member
Hi all, first grow here. Pic 1 is big buddha critical mass auto, and pic 2 is barneys farm sin tra bajo. I'm using 300w galaxy hydro led, a 60w 6500k cfl and a 40w 2600k cfl.

Seeds have been started in 2 gal pots with ffof soil. Started using ff trio nutes at 1/4 to 1/2 str according to their feeding schedule. Temps in my tent have been around 70 to 85 on avg. With 30% humidity.

It is day 39 from sprout and both plants have started yellowing from the bottom fan leaves and up. I picked them off the sin tra bajo and read that I should not do that so I left the other plant alone. The sin tra bajo plant is actually ok and has not been yellowing much since, but the crit mass auto is really starting to yellow a lot. Keep in mind these are only 2 weeks into flower. What should I do? Adjust nutes? Flush? Any advice would be very helpful thanks!!!!!
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Pic is is a close-up of the critical mass leaves
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