Would potash 0-0-60 not work in your situation?
The Kmag or 0-0-22 also has magnesium and sulfur. I was trying to avoid tons and tons of lime to address my magnesium deficiency as my PH is good, just very low in Mg and K. I’m no expert, I loaded my samples in to AI and told it I didn’t want to use lime. Kmag or the equivalent is what it suggested.
