Graphic Chemical's Bone Black, revisited

A while ago I was whining about my new one pound can of Graphic Chemical Bone Black etching ink, but today I had a successful time printing with it; I added two pinches of magnesium carbonate to my ink pile and the consistency became very much like some other inks I've been using. And it was very easy to wipe. I try not to waste any supplies and since I ran out of other black inks I knew I had to make the Bone Black work. Yay!