Make Glowing Water With Highlighters vs Florescent Paint ...
You can also put vitamins on the tonic water. It often contains vitamin B, which is high in thiamine. Using a Ziploc bag and kitchen mallet, pound the vitamin into powder and add it to the warm water and stir. Though it is a vitamin, it is a vitamin set for adult strength. It is super diluted, but do not offer it to the kids as a drink.