Keep homebrewing equipment clean and contamination-free with Star San Sanitizer by Five Star, a no-rinse, acid-based sanitizer trusted for reliable sanitation. Made from food-grade phosphoric acid, Star San is safe, biodegradable, and septic-system friendly, providing fast, effective sanitizing without leaving residue, flavor, or odor.
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works Good!
Michael · September 15, 2026
After brewing and bottling over 35 gallons in 1 gallon batches each time I’ve had a 100% success rate. Maintain Rule number 1 and your beer takes care of the rest.