Anyone tell me what this is?

I'm week 2 in flower and leafs going light green looking yellow under the hps and some have spots like this leaf???...

What does the other side of the leaf look like?

Dobby said:

What does the other side of the leaf look like?

Click to expand...

The other side looks fine just abit transparent

Calcium deficiency, Hit it with some cal/mag.

Also here is a great reference for plant problems http://www.growweedeasy.com/marijuana-symptoms

Are you sitting there watching tv with dope leaves all over you?