Yes. 1.5 would work fine... I was simply giving formula for maximum strength.
4 sticks (1 lb) unsalted butter with 1.5 Oz abv will do fine!
All of your suggestions are good!
Nobody had mentioned oils here yet, but they are discussed in other cooking threads, as well as in the magical Butter Machine thread.
If we left Coconut oil etc. out it was because this is the "clarified butter thread"
... gotcha, thanx - i used Ghee my first few batches, began looking at coconut because of vegans in our midst & my research leads me to ....