Thanks again. It smells like if you covered burnt popcorn with movie theater butter and rotten eggs. I think the mercaptans have likely started to form.
I’m going to try purging with co2 tonight and maybe sticking a copper pipe in there longer. If that doesn’t work I’ll add ascorbic acid...
Thanks so much for the responses. There was no sulfur smell during fermentation, I think it’s purely because I forgot them on the lees.
The K-meta you’re suggesting to add is just to fight off oxidation from splash racking/stirring? How much of a dose do you recommend.
I hadn’t heard of...
I forgot to rack my cab franc and cab sauvignon off the gross lees after MLF was complete. Fast forward a few weeks and they smell as awful as you can imagine. I used Renaissance yeast which doesn’t produce H2S, so I guess I got over confident and didn’t check.
Any hopes in getting rid of the...
I have this problem all the time too. I hate it. The problem is that santiziting the stopper makes it wet. I pour boiling water on it to help sanitize and let it dry quickly. The everclear/vodka trick mentioned is a cool one. I’ll have to try it.
I had removed some remaining sulfur smells from last year's wine with a copper wire. Turns out I forgot about it. Is it still safe to bottle and drink?
I know copper sulfate can be potentially dangerous, but my understanding was that by using a copper pipe or wire you avoided this danger. Is...