Brittle spotted leaves...

[Hemp43]

Hi there, our plants are getting these strange spotted marks and turning brittle. No signs of mites. Nute deficiency?
Thanks

 

[budman111]

You have a Calcium deficiency and the fact that the leaves are brittle says it is in an advanced stage, foliar feed a calcium/calmag supplement at 2ml/L once and feed at recommended dosage thereafter.

 

[Ryan70c10]

Have same problem and have cal mag with water

 

[budman111]

Have same problem and have cal mag with water

Could be too much Calmag.

 

[Hemp43]

You have a Calcium deficiency and the fact that the leaves are brittle says it is in an advanced stage, foliar feed a calcium/calmag supplement at 2ml/L once and feed at recommended dosage thereafter.

Thank you...we'll see!