Light burn?

Yea Mr_Weeds is correct. When you have more than 1 deficiency showing it's likely a pH or lockout situation. Best remedy is to flush out your soil with plenty of pH adjusted water. Clean the soil of built up chemical fertilizer salts. Allow the soil to dry out till the pot feels light, then re-feed. Always keeping your water pH where you want it to be. Myself, i like a 6.2 pH in Coco.

It's not the light, Your plants are suffering from nutrient lockout which normally has something to do with pH which I didn't see listed in your diary .... That's a problem if you're not checking it. This is why the plant is showing signs of so many deficiencies like potassium and calcium even though you're feeding them. Flush the plant, then make sure to keep your pH between 6.0 and 6.5.