Potassium Sorbate Fermentation Stopper

It always works for me. The plastic tub seals right up and it can last a fair while, although not sure how long. It's a bit pricey buying it on here, but when I compare that with travelling a good distance to my nearest home brew shop or getting it delivered, it makes the extra expense on amazon worth it!

Excellent

Not much else to say really

I used this at the end of my homebrew fermentation process and it stopped the fermentation completely within 3-4 days. Before I would have to go and release the pressure every couple of days from the homebrew not realizing this was carbon dioxide build up from continued fermentation, with more research I found this and potassium metabisulphite to be the solution and no longer have to release any pressure. The homebrew also tastes a lot better, not sure if this is entirely related or if it is just a good batch but worth noting.

Added to stop the fermentation process. Do not add at the beginning or your yeast will not work. It forms sorbic acid in the finished ferment (ie increases the acidity) ,which is unstable and SO2 is given off so you need to rest the finished wine for 24 hours after adding this powder. Take care with the dosage - clear instructions on the side of the tub. Did the job although I didn't take a reading of the SG at the start of fermentation so no idea of it's true strength!

Easy to use, and seems to have stopped fermentation dead in its tracts.

I made my first batch of wine from grapes, rather than a concentrate. It needed sweetening, but I didn't want fermentation to restart...this did the trick.

Does the job well. Packed well for transportation. Arrived in the time the seller estimated. Would buy again.