Can't figure out whats wrong

[Littlepotofhorrors]

Any idea whats going on with my two girls here?
One is about week 7
The other is week 5
GG#4 Autos by ILGM
Grown in coco/pearlite mix 70/30 with general hydroponics tri (micro, gro and bloom) at about 1/4 strength between 1-3 ml per with .5-1 ml of bloom and about 3-5 ml of calmag per feeding in water ph'ed to between 5.8-6.5

 

[macsnax]

Looks over watered. Make sure temp and humidity is good. Those brown spots look like you've left water drops on the leaves under the light. They act like a magnifying glass under the light and burn the plant

 

[Mattsoxx]

Yep over watered check your cooler etc also

 

[Littlepotofhorrors]

Yep over watered check your cooler etc also

Cooler?