CHALLENGE FOR ALL CHEMISTRY ENTHUSIASTS: Try to make a soft drink (soda, pop, etc.) with the following requirements:

1. Must have a base of Carbonated Water (may be tonic, club soda, pure La Croix, or any other plain version of carbonated water)
2. Final product must maintain 90% of its carbonation.
3. Must be less than 20 grams of sugar
4. Must have no Aspartame or similar artificial sweetener
5. Must be any sort of citrus flavor (orange, grapefruit, tangerine, etc.) and may also be grape, peach or nectarine.
6. Most important for something such as this: MAKE IT TASTE GOOD!!!
7. Your answer MUST be the recipe for your concoction.