Most fermenting vessels require a stopper to hold an airlock in place or seal it up while moving. We carry a variety of sizes for glass and plastic carboys, as well as, gallon jugs and bottles.
Not sure which is the correct stopper for your purposes? Consult our stopper information table below:
| Stopper Type | Compatible With: |
|---|---|
| No. 2 Drilled Stopper | Standard Beer bottles |
| No. 5 Drilled Stopper | Big Mouth Bubbler® EVO 2 w/screw-on lid (older EVO 2 models) & Little BMB |
| No. 6 Stopper Drilled or Solid | 1 Gallon Jugs |
| No. 6.5 Stopper Drilled or Solid | Glass carboys, Big Mouth Bubbler® plastic (5 or 6.5 gallon) or EVO 2 w/ Universal Lid. Ideal fit is 6 gallon carboy. |
| No. 7 Drilled Stopper | 5 Gallon glass carboys |
| No. 10 Drilled Stopper | Bubbler® 5 or 6 gallon |
| Small Universal Stopper - Drilled or Solid | Glass Carboys (3, 5, 6, 6.5), Big Mouth Bubbler® Plastic 5 or 6.5 gallon or EVO 2 w/ Universal Lid. |
| Medium Universal Stopper - Drilled or Solid | Bubbler® 5 or 6 gallon |
