Active rye sourdough starter in a jar.
FOOD NEWS
Should Your Sourdough Starter Be Stored In A Plastic Or Glass Jar?
By Heather Newman
Sourdough starter is a thing to be treasured and well-maintained. One way to do that is to use glass jars to store them instead of plastic.
Fresh lievito madre - Italian stiff starter in a jar.
This isn't just a matter of aesthetics, as plastic jars can degrade over time and leach into what's in the jar, giving your sourdough starter a funky taste.
Sourdough starter in a jar with a slice of bread and a razor blade
Glass jars are often wide-mouthed, making removing the starter a lot easier than with narrow, plastic containers. They are also easier to clean than plastic jars.
Studio shoot of broken glass jar closeup on white
However, glass jars are more fragile and less forgiving when it comes to breakage. If it takes a tumble, glass can get into your starter, and you'll need to start from scratch.
Salad in a large plastic container
If you opt to store your starter in plastic, use containers like the ones the deli serves soup in. They have wide mouths and are inexpensive, so you can replace them periodically.
nested metal mixing bowls
Regardless of your preference, avoid using metal for your starter. According to baker Carroll Pellegrinelli, the fermentation process can corrode metal.