The Minnesota Dental Association is worried about super-sour canday, because super-sour = super acidic. Here's a handy chart they've revealted that will tell you how close to battery acid your favorite treat is.
Acid (pH)
Low = Bad
Water (neutral) 7.0
Loss of tooth enamel 4.0
Spree® 3.0
Sweetarts® 3.0
Big Stuff Pacifier® Sucker 3.0
Sour Gummi Bears® 3.0
X-treme Airheads® 3.0
Sour Punch Straws® 2.5
Shockers® 2.5
Skittles® 2.5
Baby Bottle Pop® Powder 2.5
Brach’s Gummi Bears® 2.5
Sqwigglies Gummi Worms® 2.5
Wonka Laffy Taffy® 2.5
Starburst® 2.4
Sweet Tarts Shock® 2.4
Lemon Heads® 2.4
Mentos® FruitChew 2.4
WarHeads® Sour Rips Roll 2.3
Lollipop Paint Shop® 2.2
Zours® 2.2
Sour Skittles® 2.2
Airheads® Cherry Chew 2.0
Wonka Nerds® Grape 2.0
Now and Later® Cherry Chew 1.9
Too Tart Extra Sour Goo® 1.9
Wonka Pixy Stix® Powder 1.9
Altoids Mango Sours® 1.9
Wonka Fun Dip® Powder 1.8
WarHeads Sour Spray® 1.6
Battery acid 1.0
Data courtesy of Dr. John Ruby, University of Alabama Birmingham School of
Dentistry, 2007.
