These attractive glass Weck fermenting weights are used to compress the produce during fermentation. Use small/medium for for both our 1.5 and 2.5 Litre Weck Fermenting Jars.
Note: The small will go right down into the neck of the jar whilst the medium weight will sit at the top of the jar below the lid.
Made of the highest quality glass, they contain NO BPA! (Bisphenol A), lead, mercury or cadmium.
Small = 70mm
Note that the fit is tight and if you are fermenting very liquid foods, the weight will sink unless there is sufficient food mass in the jar to hold it up.