At one time just the sound of the name Camille could start people coughing, recalling the tragic Lady of the Camellias, the heroine played by Greta Garbo in the vintage film based on a Dumas story, but that image has faded, replaced by a sleek, chic, highly attractive one.
The expiration date stamped on the baking soda box in the Ochef test kitchen is three years off. We assume that means if you opened the box for the first time 35 months from now, it would still be good.
You can make your own homemade washing soda 1 box or a thick layer of baking soda on a baking sheet put in the oven and bake for 1 hour on 400 degrees easiest thing in the world to make nothing to it.