You guys think this is light damage?

If its only on the top leaves that could be it, but I feel it something else. To me its looking like it may want some magnesium and I see the beginning of spotting that might be from calcium deficiency. A lot of the products your using from fox farms feed really heavy if followed by there suggested feeding guide, lots of PK and some N covering the NPK macros but I don't see the micros content on them labels. Want to ensure its getting enough Magnesium and Calcium. If it needs a boost a supplement should be added as long as its within the range of EC you want to feed the plant. I don't see that your monitoring the EC in the diary but might be something you would be interested in doing in the near future. Can help avoid issues in the long term with feeding and concentrations. Best Of Luck!