(TrendHunter.com) Watercolors is a new collection of cannabis-infused sparkling water beverages from Calexo and it shares refreshment with natural flavors, and nano-emulsified THC—five milligrams per 12-ounce can.... (TrendHunter.com) Watercolors is a new collection of cannabis-infused sparkling water beverages from Calexo and it shares refreshment with natural flavors, and nano-emulsified THC—five milligrams per 12-ounce can....