Now that I have understood how cheese works from this forum I decided to revisit mozz, which I had mixed success with last year using the citric acid approach.
I did 5 gallons and kind of winged the whole thing, referencing various recipes, including Linuxboy's from the WCG site.
For culture I used some fairly old buttermilk (from actual butter, the cream had been cultured with Aroma B) and some meso 2 and thermo B, as I am trying to use them up. I refrigerated the curds overnight and when I got to them today (about 16-17 hours) they were around PH5.2 ( I was too lazy to calibrate).
Anyway, here they are (some of them):