That's what's in the batmix I've used this about 5 or 6 times before. I've also always used coca nutes for the last 8 years without a problem.....I feed just water this morning with 1.5ml/l of calmag
They dont look like there short of nitrogen as the leaves that aren't effected yet are still dark and shiny. I was dropping he feed a bit to be honest as they looked a little over fed if anything. They have had 2 doses of calmag @ 1ml a litre but dont seem to be helping as of yet. I'm...