Mangrove Jack's Carbonation Drops (60 Count)

boomchugalug.com

$5.99 

For fast, easy bottling, carbonation drops take the guess work out of priming your beer and completely replaces priming sugar.

Directions: 

Use 1 drop per 350 ml (0.4 US qt) bottle 

Use 2 drops per 750 ml (0.8 US qt) bottle 

Use 3 drops per 1.25 L (1.3 US qt) bottle 

Use 4 drops per 2 L (2.1 US qt) bottle