The Double Spout Carboy Cap is a BPA-free cap for homebrewers and fermenters using 3-, 5-, or 6-gallon carboys. Its two lidded spouts connect tubes, airlocks, siphons, or racking canes, while the design can help start siphoning with air pressure.
At a glance
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Product type: Double spout carboy cap
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Carboy compatibility: 3-, 5-, and 6-gallon carboys; excludes gallon carboys
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Spouts: Two openings with lids
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Uses: Attach tubes, airlocks, siphons, or racking canes
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Material: BPA-free construction
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Made in: Canada
Why homebrewers choose it
- Provides two openings for connecting brewing and fermentation accessories.
- Supports air-driven siphoning by allowing air to be blown into one spout to start liquid flow.
- Individual lids help protect and close each opening when it is not in use.
- Fits several common carboy sizes, including 3, 5, and 6 gallons.
- Offers the functionality of a universal carboy cap with an additional spout.
How to use
- Fit the cap securely onto a compatible 3-, 5-, or 6-gallon carboy.
- Connect a tube, airlock, siphon, or racking cane to the spout needed for your brewing or fermentation task.
- To initiate siphoning, use air pressure through one spout to start the liquid flow.
- Keep the lids closed over unused openings.
Frequently asked questions
What size carboys does this cap fit?
It fits 3-, 5-, and 6-gallon carboys. It does not fit gallon carboys.
What can I connect to the two spouts?
The spouts can be used with tubes, airlocks, siphons, or racking canes.
How does the cap help start siphoning?
Air can be blown into one spout to create the pressure needed to initiate liquid flow.
Does each spout have a lid?
Yes. Each opening has a lid for protection and convenience when the spout is not being used.
