Can someone help me out with this?

I opened my tent today and found my leaves like this can anybody tell me whats going on?

probably an iron def, what medium and nutrients are you running?

roksonix said:

probably an iron def, what medium and nutrients are you running?

Click to expand...

im not using any, im trying this Kind Soil. Which claims you shouldn't have add anything else but ive seen where multiple people have had issues i just haven't seen this one

Probably time to start feeding