The citric acid makes the sodium bicarbonate more soluble in water. Old chemistry trick, still used in a lot of detergents. Alka-Selter works because it contains aspirin imho. Citric acid is also used in cheesemaking.
About Visual Voicemail. Visual Voicemail is a free1 service that allows you to listen to your voicemail messages in any order you choose from an email-like inbox. You can easily play and delete messages, make callbacks, and manage voicemail features. Use your smartphone Ã¢ you canÃ¢t set up voicemail from another phone. Have a data plan with Visual Voicemail.1. Most AT&T Unlimited PlusSM, AT&T Unlimited ChoiceSM, and Mobile Share AdvantageSM or Mobile ShareÂ® smartphone plans include Visual Voicemail. Learn how to compare and change your plan.
How do I cancel my subscription to AT&T Navigator? To cancel the subscription and fee you must go online at att.com/directbill or call AT&T at 1-800-331-0500. Deleting AT&T Navigator from your device does not stop the monthly charge.