I've read about cannazym and it breaks down dead root material and stuff and turns it into enzymes or micronutrients and given that the coco is basically coconut hairs and such I think that might be something worth trying I'll have to find a grow chart for dosages somewhere on the net, the one pictured is basically like a tester at the minute I should have gave it a bit more time before planting the rest but I'm sure I'll do fine I'm a quick learner, thanks for your input its greatly appreciatedI use a completely different line of nutrients General Hydroponics nutrients. I just pre charged with the minimum seedling feed. I think a lot of UK Growers use that cannazym as a pre-charged or maybe it's great white. Well I guess I can't remember. Anyway, if you could figure out whatever the seedling dose was for your canna a+b and use that at half dose and just run it all the way through your Coco get good runoff then that'll probably sit you fine until you get your Cal Mag.