About Us

The Tools You Need to Ferment With Success

At Fermentools we understand that everyone is at a different place in their life and in their journey to health and culinary skill. Fermenting can be for anyone and everyone. We have a passion to provide the tools necessary for any novice home cook all the way to the restaurant chef to be able to fit fermenting into daily life. From our stainless steel lids, to our high quality canning gaskets, airlock systems, rubber gaskets and glass weights, each piece was specially designed and selected to prevent common fermenting mishaps and turn any wide-mouthed Mason Jar into the perfect fermenting vessel!

About Alex and Cassie Deputie

"Fermentools was started by Matt Gross in 2013 with a passion and vision to create a product that could turn any mason jar into a fermenting vessel with a custom designed airlock system, which includes a number of advantages."

In 2019 Alex and Cassie Deputie joined the Fermentools family to carry on the vision that was laid. Alex and Cassie have been married since 2009 and are parents to their currently seven children. Cassie has been passionate about healthy eating and lifestyle since 2005 when she was faced with a number of chronic health conditions. Her knowledge and experience continued to expand as the Deputie family began to face a serious of health issues with their children. Through proper nutrition they have experienced the power of food, especially fermented foods, in restoring health.

Cassie also has an extensive background in blogging, writing, herbal medicine and traditional foods.

The Deputie family run Fermentools together as a family enjoying everything from the packaging and shipping to the assembly of each and every kit that is ordered through this website. Their personal touch and care goes into every order and they love to hear from their customers and build relationships with like-minded people.

Fermentation Equipment and Ingredients


Meant to keep the oxygen out and allow the carbon dioxide to escape creating the perfect environment for good bacteria to grow. They also keep pests, pets, and small children out of your ferment. There is absolutely nothing more satisfying then seeing little air bubbles escape out of the airlock! It's hard to have a bad fermenting experience with these airlocks. No burping necessary! You can truly just assemble your airlock and set your ferment aside with peace of mind.

Stainless Steel Lids

Made from 304 surgical stainless steel, which is a corrosion-resistant lid with longevity these lids are made at a local shop and are meant to last a lifetime. They are specially designed to fit any wide-mouthed Mason Jar and go well with the standard metal Mason Jar lids.

Glass Fermentation Weight

Our glass fermentation weights are specifically created to fit into any wide-mason Mason Jar. We chose glass because it is non reactive with all ferments. Metal weights react with certain foods. Some people use cold water stones which can cause contamination if not sanitized properly. Others use cabbage leaves to weigh down their ferments, but these leaves can sometimes come above the brine and encourage mold growth. We believe our glass weights are awesome and easy! They also allow you to see your food bubble.

Himalayan Powdered Salt

Our ancient Himalayan sea salt has over 80 trace minerals and is ground fine enough to easily mix with cold water.

Rubber Gaskets

We chose high quality canning rubber gaskets to hold our stainless steel lids in place on your Mason Jar. Secure and airtight!

Rubber Stoppers

Our rubber stoppers fit tightly into our metal lids and securely hold our airlocks into place.