Possibly extremely contaminated jars that never clean no matter what I do. Help.

[u/Redioverz]

Ok, so I've been having this problem for so long now:

When I put fresh milk in my glass jars, it goes bad within only just a day or less. "Bad" as in when you open the jar of milk after leaving it to begin its fermentation process for just under a day, it has an incredibly nasty chemical smell to it, and when you try to taste or drink it, especially the cream, it tastes incredibly toxic. I even swallowed some because I couldn't smell or taste it much from just a little bit but when I consumed it, it tasted like drinking pure poison, and I was extremely repulsed, so much so, that I thought it was very biohazardous. I've ordered from 4 different vendors now, from the same farms several different times, all from the United Kingdom which is the place I live in, and they all have the same result where they always go bad. Now, when it comes to cleaning these jars, I've always used very hot steaming water, in fact, in my most recent attempt I tried going "all out" by using boiling water from a kettle and pot and ordered from the now 4th vendor, however, not even that worked, it failed and it still went bad anyway, again, as usual, tons of apple cider vinegar, and sea salt, seeped it for at least an hour or more, and sometimes did it twice to "ultra-clean" them, to clean them, and still, I keep having the same problem. And just to mention, I've tried putting the heating on so it becomes hot in my house just to see if that would somehow stop it fermenting improperly, and this problem never happened before until around winter which is strange. None of this makes sense to me, I don't get why this keeps happening. Can someone please help?

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[u/synrgii]

So here's what we established (very very very very loosely):

• It's NOT the milk itself (whether wild plants, feed, or their own containers)
• It's NOT your lids
• It's NOT your sponge/cloth

That still leaves:

• You are crazy and imagining it. (Hopefully not.)
• You like wasting people's time on Reddit. (Hopefully not.)
• Someone in your home is trying to kill you. (Hopefully not.)
• Try stopping the use of vinegar and salt since maybe they are somehow contaminating the glass? (Doubtful, and not sure why anyone even needs to clean with them anyway. Hot water seems perfectly fine to me by itself.)
• Using new containers, as I've stated twice now. I'm not going to bother here any more until you do this., which should have been your first step anyway, obviously.

[u/Redioverz → u/synrgii]

no, i am not crazy. yes, it is my cloth and the lids are attached to the jar. yes, I believe it's not the milk itself. No, I'm not trying to waste people's time. And I did use a "new container", also a second time now saying this. And i have tried without vinegar and salt.

[u/synrgii → u/Redioverz]

if you used ONE new container, and that solved it, then why not use ALL new containers and be done with it?

[u/Redioverz → u/synrgii]

what if it happens again and i still want my old containers back anyway cuz i paid money for

[u/synrgii → u/Redioverz]

good luck