Thermowell and Grommet for Speidel Plastic Fermenters Type_Gasket you can upgrade any existing

you can upgrade any existing kettle or keg to read temperature from the outside

20 lb aluminum CO2 tank ships free in the 48 contiguous states

Cover the mouth with a piece of sanitized aluminum foil rather than an airlock

Insert through the neck of the carboy

Thermowell and Grommet for Speidel Plastic Fermenters Type_Gasket you can upgrade any existingLooking to add a thermowell to your Speidel plastic fermenter? This is the perfect way to do it. This thermowell replaces the airlock on top of your fermenter and uses the standard Speidel locking nut and gasket. The rubber grommet will fit standard 3 8 in. airlocks and the thermowell will accept most temperature probes. The probe is 12" and will fit most 1 4" digital temp probes. Please note that while using the stock spigot lock ring and gasket for