What causes this?

Was thinking cal/mag def (which i gave earlier in the week) not sure tho any help appreciated (the veinly line look on the top of the leaves)

Soil Ocean forest
t5
like 3 weeks old i think? maybe not that old

Might have been in the pots a bit 2 long (1 gallon) which i'm transplanting tomorrow although i again don't think thats the issue.

many say OF lacks ca/mg but that looks like it could also be nitrogen, are u sure they are only 3 weeks old? id think OF would have enough to keep this from happening in 3 weeks.

purplehays1 said:

many say OF lacks ca/mg but that looks like it could also be nitrogen, are u sure they are only 3 weeks old? id think OF would have enough to keep this from happening in 3 weeks.

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Yea first time this has ever happened to me will be transplanting them in the morning so the problem shouldn't continue when they get new soil

they look hungry, and they look like they could do with cal/mag too, what are you ph ing at what is the ph of the run off ?

looks like cuttings to me so they gonna use up the nutes in the soil pritty quick , so hit with a good feed

Looks like Cal-Mag, and maybe a bit of food.

bobtokes said:

they look hungry, and they look like they could do with cal/mag too, what are you ph ing at what is the ph of the run off ?

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6.5 PH

they need food....

purplehays1 said:

they need food....

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Transplanting in the morning had to work all day so didn't get a chance to do it today should fix the issue