2-bubble mini-fermenter with rubber cap (∅ 65 mm)

The most popular and most usable air lock in the market. Protects against flies, oxidation and contamination. Suitable for containers between 1-50 l. Suitable for a 9mm opening. Air lock with a rubber cap for a 65mm bottle neck.
What does the air lock do? & Nbsp; it works when the water in the siphon closes the external access of the air. As a result, the fermentation process is activated by the formed carbon dioxide begins to exit through the overpressure. The air lock evaporates and therefore must therefore be regularly inspected and added. The air lock can also be filled with a disinfectant solution instead of regular water. Sulfit 10% solution. / Nb! Translation has been made by automatic program and mistakes can be possible. We are sorry