Small Universal Stopper – Solid

Small Universal Stopper – Solid (C6506)

Tapered rubber stopper to effectively seal carboy mouth for beer fermentation. Made of food safe material, this is a solid stopper. This is needed to block the entry of atmospheric gases – especially oxygen, to avoid unwanted microbial activity in the brew inhibiting the fermentation process.

This is a small size sealing stopper. It also has a with hole variant to hold the air lock – another fermentation accessory that allows a one-way gas exchange.