Sign up today for the free William's Brewing Catalog, and for our exclusive email-only specials on home brewing, winemaking, and coffee roasting:
* - Required
Pure laboratory-grade stoppers are odorless. #10 Size fits Better Bottle™ PET Carboys (all sizes) and other 1.75" openings, including FerMonster Fermenters. Drilled to fit any airlock.
Had one of these for years to plug the carboy, no issues with it falling apart or anything like that. Simple and effective.
Pros: Works just fine for Better Bottles...and priced much nicer than the actual Better Bottles stopper. Cons: No fancy bells & whistles. Just what you'd expect for $2!
Pros: Good fit for water bottles. Cons: n/a