Maybe the Ph?

This is my first bout growing and I was noticing some spots on the leaves that are yellow and brownish. Also in between the veins some of the leaf matter is really light green. Sorry about the camera, it's a phone. I should be getting a good one in the next week.

are you ph'ing for your medium? every time i grow, i have a leaf here and there with little things like this. it's nothing imo...

Looks like bleached clorophyl from a drop of water on the leaf baking under the light it's np.

Alright thanks buds!

^Agreed, I wouldn't worry about it, as long as the rest of the plant looks okay?