I'm looking to make some homemade mozz, and a quick trip to Harvest in Central Square (my neighborhood) for milk showed that plain old regular pasteurized milk is hard to come by these days. They had a few brands, but only one, Garelick, did not say it had been ultra-pasteurized (UHT). UHT milk does not curdle well, and cannot be used to make cheese. And just because a milk is not labeled as such does not mean it hasn't been ultra-pasteurized.
It seems like most milk producers in the area, organic or otherwise, sell both regular pasteurized and UHT milk, but not all stores carry both. Anyone know which brands I should look for, and where?