Pretty strong actually, burns well enough. Cant say theres too much of a terp profile with this not the sort of kushy funk i am used to only been cured 2 weeks say its got a lemony smell from the jar with hints of woodyness
To answer your question, Cal Mag is Calcium and Magnesium with a touch of Nitrogen! But use epsom salt and boil egg shells! I’m being very serious if your laughing!
Mix the two together and apply..