Yellowing Leaves - Help

[BOOJO]

SOIL GROW

Strain - Spiritual Punk
# of Plants - 1(4 other strains in tent)
Grow Type - Soil
Grow Stage - Vegetative
Bucket Size - 3 Gallon
Lights - (2) T5
Nutrients - Dyna Grow/CalMag (only used once to try to cure this problem...no luck yet)
Medium - FoxFarm Ocean Forrest
PH - 6.5
RH - 40-45 %
Room Temperature -75-78 F

Room Square Footage - 8'x4'x67"

Pests - None Known

 

[BOOJO]

Any ideas peeps, plant seems healthy other than the yellow, CalMag needed maybe?