Are them overfeeding?

Is the complete pack not coco specific?If it isnt that will almost certainly be the issue as coco doesnt want to let go of the calcium but the soil is completely different.What do you mean by lower bed? Have you put a pot of coco on a bed of soil?You'd be better off feeding the coco then just watering the soil until the food is used which may be several weeks,it should say.Don't add food to the soil when its already fully fertalized.If the complete pack isntt coco specific I'd certainly add calmag for a couple of weeks until a decent amount of roots start feeding poff the soil.You've got the best nutrients money can buy with advanced.Iv been doing this for a number of decades and been using advanced for over 10yrs now.Iv been using the organic iguana juice for a few years as you can't beat organics for quality.