The Maine Guys Known For Their Mentos Experiments Kicking Off Portland Performing Arts Festival 

The Maine guys known for creating colorful geysers from Diet Coke and Mentos candies are performing a live version in their home state for the first time.Fritz Grobe and Stephen Voltz will use their “Extreme Diet Coke & Mentos Experiments” Thursday evening to kick off the Portland Performing Arts Festival.The Buckfield-based entertainers shot to fame five years ago when they wore lab coats and goggles during their online videos demonstrating elaborate geysers set to music.The Portland Performing Arts Festival is a new four-day event, featuring eight performances of nationally renowned artists in classical music, jazz, dance, theater, and performance art.