- The number one reason for a wine spoiling is because sulfites were not used in the winemaking process — sulfites such as Campden tablets or potassium metabisulfite. Skipping the use of sulfites does not guarantee that your homemade wine will go bad, but it does increase the chance of this dramatically.
- The number two reason for a wine spoiling is that the fermentation vessels and equipment were not sanitized. They may have been washed in soapy water, but not sanitized with something like Basic A or Cleanpro SDH. Soap will get the grime off the surface of the equipment, but to destroy all traces of mold and bacteria that can later grow and take over a wine, you need to use a cleanser of some sort.
Hi, I have two one gallon batches of wine going. One is blueberry and the other is muscadine. They both smell and taste soured. What is wrong? Brandon A. — NC ----- Hello Brandon, It's really hard for me to know exactly what you did wrong, if anything. What I can tell you is there are two key reasons for a homemade wine spoiling: