Yellowing on leafs?

[Jambo94]

Anyone know what’s causing this? Also it’s only drinking like 1 litre every 7 days in a 0.75 gallon tub is that normal?

 

[oill]

Anyone know what’s causing this? Also it’s only drinking like 1 litre every 7 days in a 0.75 gallon tub is that normal?

Nitrogen calmag deficiency....

Can be caused by....
Too cold
Poor air flow
Incorrect ph
Weak nutes or too strong

Tell us your temps, ph, nute strength... take a pic of the whole environment please

 

[Jambo94]

Nitrogen calmag deficiency....

Can be caused by....
Too cold
Poor air flow
Incorrect ph
Weak nutes or too strong

Tell us your temps, ph, nute strength... take a pic of the whole environment please

Temps are 23c
And haven’t ph’d tbh
And been feeding them really weak baby bio
It had a led 100w on it but today I’ve just bought this 250w cfl and the plant magic old timer