Conflux/Items/Kath Vinegar

Adamo: where exactly can I find Kath Vinegar?? On which level? I need it to get the flask and couldn`t find it anywhere!

beowuuf: If you can get up a level again (not through the kitchens, there is another few starwells upwards in the celler) then you will eventually get to an area with pit/teleporter puzzles, that opens up a screamer corridor/side rooms puzzles. Kath vinegar resides there