Crystal pepsi tasted like normal Pepsi but it didn't stain your teeth brown. We, as a society, drink intense dyes every day largely because of the legacy of pr

Crystal pepsi tasted like normal Pepsi but it didn't stain your teeth brown. We, as a society, drink intense dyes every day largely because of the legacy of prohibition... weirdly colored sodas were the social camouflage for "medicinal" liquor. Surely this brightly colored froth-tube can't be harmful! This rolled into the marketing illustrations of the mid-20th century. On a utilitarian level all sodas should be clear.