Is this calcium and magnesium deficiency?

Helmut79

Well-Known Member

May 8, 2014

• #1

This is calcium and magnesium deficiency. Am I correct?

These signs started to show up after 5 weeks of use in coir, when I switched to 12/12.

Time to start adding cal+mag?

 

Farmer's Hat

Well-Known Member

May 8, 2014

• #2

Do you ph your water?

 

Helmut79

Well-Known Member

May 8, 2014

• #3

Of course. It's 5,8.

 

Zomgshaman

Active Member

May 8, 2014

• #4

Looks like heat stress to me

 

Dr. Who

Well-Known Member

May 9, 2014

• #5

Add the Cal/Mag! Coco needs extra Ca.
It does show some light heat stress also. Watch your canopy temps and the RH.