Color:Charcoal Gray  |  Package Quantity:3 These lids greatly reduce your chances of getting mold or kahm yeast in your ferment. Also perfect for storing coffee beans in Mason jars! The truth about silicone valve lids: All brands of silicone valve lids are not truly 100% one-way valves. At a certain point in the fermentation process, negative pressure is often created inside the jar. You may see your valve lid caving in, and a very small amount of air will likely leak into the jar. You may even need to pinch the valve to let air into the jar, so the lid can return to a normal position. This is undesirable, but in my testing I have found that it has a minimal effect. My ferments don’t seem to get moldy at any higher rate than with other airlock lids, and other people have good results using other brands of silicone valve lids. These lids are much more convenient because you do not need to monitor the water level in an airlock, they have fewer pieces to clean and assemble, they have a lower profile, and they are unbreakable. Personally, I think these benefits are worth the small extra risk of contamination.
S**N
Great for small batch fermentation.
This is such a cool way to ferment small batches of veggies. I have bigger crocks, but I am the only person in my family who really wants to eat experimental pickles. (Maybe if I stopped calling them experimental?). I have done pint and 20 ounce jars of carrots, dilly beans, napa cabbage, jalapeño peppers and kohlrabi. All have been delicious, except for the kohlrabi. That was too experimental even for me. However, since this cap is easy to clean, and the stainless steel ring won't rust, I could compost the experiment, throw the rig in the dishwasher and start over. Highly recommended.
J**A
Great product.
Love this lids, very easy and simple. Steady material. Blue is my favorite color and it is great. I will be purchasing a few more for my pickling and kefir fermentation. I also learning how to bake, and I will need some for my sourdough starter.
J**S
worked great
Used to make Lactic Bacillus. Worked great
B**G
One Star
Does not work
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