I don't think the OP was referring to UHT, but rather ESL milk (also known as HTST). Most milk sold in Germany is now ESL, and you can keep it in the fridge for

I don't think the OP was referring to UHT, but rather ESL milk (also known as HTST). Most milk sold in Germany is now ESL, and you can keep it in the fridge for 2-3 weeks. It's also sold in units of 1 litre (a little over a quart) and if you want more, you just buy more than one.