Have a look at the labels. I use the three on the top row here, the 5-12-26 (A), 15-0-0 (B) Calcium Nitrate, and the third one is the 12-4-16 "RO" one-part veg formula, which is really two parts including the 0.99g/gal Epsom. When I want to reduce nitrogen, after stretch, I will sub in some...
My JR Peters MOST recommendation still stands if you have issues sourcing Canna Trace Mix. CLASSIC ONLINE STORE | JR Peters
I use RO, and do not use MOST, or any other additive micronutrients. JR Peters was nice enough to throw them in the 5-12-26 mix. <3 Jack's.