Afraid of pH and sun

She looks pretty good but see a possible Iron issue also, I suspect minor PH lockout.

Looks like the start of something there my friend see where she is lighter in the middle compared the the other leaves this is a macro nutrient deficiency I think my best guess would be she's in need of some Iron. But other than that yes she's looking great your doing a great job keep it up :) I will say though if you are having ph issues with the ph being oh the high side this could also be a reason for the discolouration. Also the media looks very wet you may risk overwatering her. What i try do with my soil plants is only water around the base of the plant that way i know shes uptaking and it prevents any nasty stuff getting in with the damp moist soil too. just some food for thought pal :) Best of luck :)