Pickled carrots

From Food in Jars: pickled carrots.

Small-Batch Pickling Brine

1 cup filtered water
1 cup apple cider vinegar (make sure it’s commercial vinegar that is at least 5% acidity)
1 tablespoon pickling salt (or 1 1/2 tablespoons kosher salt)

A palmful (each) of at least a few of the following:

• crushed bay leaves
• peppercorns
• hot pepper flakes
• allspice berries
• coriander seeds
• whole cloves