total FAKE, trust me. my dad saw this and even went out to buy fresh peroxide etc to see if it really worked. i got a free dew out of it, but yea. totally fake.
odds are : the "shake" portion is where he spliced into a bottle filled with glowstick or some such.
Denny Crane on Gun Control
Mountain Dew Glows?
odds are : the "shake" portion is where he spliced into a bottle filled with glowstick or some such.