Xeni and Mark got me addicted to fermenting vegetables. These fermentation locks make fermenting a variety of things at once simple.
Using home-brew style fermentation locks with my wide mouth Bell jars is a pain, I constantly knock the tall bubble chambers off the bungs in my jar's lid. These simple, easy to clean airlocks sit flat on top of the jar and work without added water. Just screw them on and away you go.
Easy Fermenter Wide Mouth Lid Kit 3 Lids, Extractor Pump & Recipe eBook, via Amazon