Plop, plop, fizz, fizz. While Alka-Seltzer certainly is a relief, it does much more than meets the eye (or stomach)! These handy dandy effervescent tablets can be used for simple science experiments, cleaning, or freshening up the fridge. Find out all the wonderfully wacky ways to use Alka Seltzer below! This post contains affiliate links.read more…This post may contain affiliate links. For more information please review our disclosure policy.