My milk has started separating, but my flatmate says that doesn't

>>9424703
Make him drink it first

If he hesitates you definitely can't trust him

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If it doesn't smell sour it's still good.

>>9424715
Well, he did drink it yesterday I think. But he's the kind of guy who would eat moldy stuff cause he never pays attention to anything + he's fairly poor. So I dunno if I can trust his advice on this.

>>9424717
do americans really do this?

It's just clabbering. It will begin to solidify before long. My grandmother used to intentionally leave milk out if the refrigerator until it clabbered.

>>9424860
Isn't clabbering just allowing the milk to go sour. I don't want to use sour milk in my fucking coffee.

>>9424778
He's clearly shitting in the left lane. This is not America.

Bacteria is converting the lactose to lactic acid, and the acid is 'burning' the protein and making it clumpy. You could probably filter out the chunks right now and use the liquid for coffee but it wont be fantastic. The whole thing will contain sour, nasty lactic acid

>>9424703
when in doubt, throw it out

>>9424946
This. I'm a cheese maker and I don't fuck with curdled drinking milk. You don't know the other type of pathogens that could have taken off with lactobacillus either. E.coli, listeria would be concerns of mine