MGK, Do you run the Canna A and B up to nuke recommendations on Canna's chart. I've noticed if I do, very little PH adjustment is needed.
JC ...BC uses straight Coco, and you've been such a integral part of this thread, what were you thinking using perlite?
I don't use Canna products. I use House and Garden and I do pretty much go by the chart on their site. I do go on the 'aggressive' program during late veg and flower.
mgk