Fermentaholics KrautKeeper™: Keeps veggies submerged in half-gallon and gallon fermentation jars.
Keep Ferments Fresh & Safe: Ensures ferments like kraut, kimchi, and pickles fully submerged to help prevent spoilage and mold.
Matches 6.3-Inch Inner Diameter Jars: Works best with jars that have a 6.3-inch interior diameter — fits Fermentaholics gallon jars as well as standard 110 mm lid opening half-gallon and 1-gallon jars.
Durable Silicone: Strong, reusable silicone that stays put and made to last.
Easy to Clean & Reuse: Dishwasher safe, reusable, and built to last through countless fermentation batches.
Multi-Use Functionality: Doubles as a strainer or microwave cover when not in use; for smaller jars, check out our fermentation anchor weights.