All I can think of is that the CO2 (which forms the bubbles), may react in some way with the Capasicin molecule, but frankly don't know for sure. If it IS true, then you could forget the lemonade and try a tsp of Bi Carb Soda in water, and leave overnight. At least that would avoid the sweetness of the Sprite. Worth a try....
Aussie Lamb Farker Awardee!
Show me smoking and grilling LAMB for an ALF Award!
Resurrected for 2014: PM me if you've posted grilling or smoking LAMB in QTalk!
Just remember... the standard has gone up. You Americans are getting good at LAMB!
IMBAS Certified MOINK BALLER (NOSKOS RULE)
"Bullet Bill" WSM
"Blue Lou" Performer
Too many other bits of BBQ Gear to count!