The Kombucha Lid allows the user to convert any size  into a Kombucha Brewing vessel.  The wide 6 inch TC port and screen allow the SCOBY to breathe, while also preventing any foreign material from entering the Brew Bucket.

The 3.5 Gallon lid is only compatible with the . 

The 7 Gallon lid is compatible with both the ,  and  series. This includes the legacy 7gal Chronicals and 7gal Chronical BME.

The 14 Gallon lid is compatible with both the , , as well as both the legacy Half BBL Chronical, and Half BBL Chronical BME tanks.

(Not compatible with the legacy Booch tanks or 14gal Chronical series.)