What could these black spots be ?

[Timv]

They are in veg

 

[Timv]

Bump

 

[goner]

They are in veg

looks like it could be an advanced phosphorus problem, maybe some micro problems as well. im worried some spider mites might be taking advantage of the plant weakness.

too much calcium can look like that, locking out phosphorus and micros. hard to be sure without more info on your grow.

 

[Timv]

looks like it could be an advanced phosphorus problem, maybe some micro problems as well. im worried some spider mites might be taking advantage of the plant weakness.

too much calcium can look like that, locking out phosphorus and micros. hard to be sure without more info on your grow.

They have PM as well just sprayed them with lost coast