Why are these leaves light green ?

Here I have three of the same strain but one is acting up . Can you help let me know what’s wrong? What’s deficient or to much ?

the two that are dark green look good and no purple stems but the light green one idk

early signs of N toxicity

Grab a scope, then check your roots/leaves for any pests....Rule that out 1st...

OP

Oliver Pantsoff said:

Grab a scope, then check your roots/leaves for any pests....Rule that out 1st...

OP

Click to expand...

checked leaves no pests , I’ll take a look deeper into the roots

what E.C feed and what nutes / medium

you got the a bit of

prob some lockup if you've been feeding heavily