... or SilverFill media: Tourmaline ceramic ball, Alkaline ball, ORP ceramic ll, FIR ceramic ball, Antibacterial ceramic ball, ect.The Portable Water Stick ... make water Micro-Clustered, which it is easy to absorption by bodyAlkaline ceramic ball, which can improve PH of water, which ... more healty to our bodyAntibacterail ball ,which can kill the bacteria of the water. 3.How to use it?Place it ...