What is something fun to when your bored?
potassium.a banana, chlorine.bleach or a dissolving toilet cleaner ( check labels) calcium.try some tums.silicon many caulks have itIron.check your cereal box, many are a good source of iron, as well as zincIodine .saltAluminum .foil, magnesium .pepto bismol TO THE POSTER AFTER ME Silicon is used in plumbing to seal gaps ( like where the tile and tub meet) It is in the form of caulk and sold as such.
