Description
The Carboy Blow-Off Hood is an essential safety tool for managing vigorous fermentations. Designed to fit standard 3, 5, 6, and 6.5-gallon smooth-neck glass carboys, this hood features two ports: one for a blow-off tube and another that can be capped or used for a secondary airlock. This setup prevents messy krausen blow-outs that can occur when a standard airlock becomes clogged with foam and hop particles.
Technician’s Installation Tip: For the best seal, ensure the carboy neck is completely dry before sliding the hood on. If the fit is tight, a tiny amount of Star San solution can act as a lubricant. Use 1/2″ ID tubing for the blow-off port and submerge the other end in a jar of sanitizer. This allows CO2 and excess foam to escape safely without building up pressure.
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