How long does sauerkraut take to ferment?
Sauerkraut typically ferments for 1-4 weeks depending on temperature and taste preference. Cooler environments take longer; warmer kitchens ferment faster. Taste after 1 week and ferment until desired tanginess is reached.
Why do you add salt to sauerkraut?
Salt draws moisture from the cabbage through osmosis, creating brine that submerges the vegetables and prevents harmful bacteria while allowing beneficial lactobacillus to thrive.
Can I use iodized table salt?
No. Use non-iodized sea salt or kosher salt. Iodine can interfere with fermentation and cloud the brine.
How do I know if my sauerkraut went bad?
Discard if it develops mold on the surface, smells rotten (not sour), or shows slime. Proper fermentation smells pungent and sour, not putrid.
Do I need special equipment to ferment sauerkraut?
No. A clean glass jar is sufficient. Optional: use a fermentation weight or glass lid to keep cabbage submerged below the brine.