What kind of time frame would you like to see your taper completed in, this should be a part of the decision as to how many milliliters to use. As for a solvent, we can't guarantee Klonopin will dissolve even using a solvent so whatever you decide to use, whole fat, homogenized milk, Vodka/water, Propylene glycol/water, or plain water, its best to treat it as a suspension and agitate it well before consuming.