Tonic water added is known as bitter lemon or bitter lime, respectively. The quinine in tonic water will fluoresce under ultraviolet light. In fact, the sensitivity of quinine to ultraviolet light is such that it will appear visibly fluorescent in direct sunlight. Tonic water Tonic water (or Indian tonic water) is a carbonated soft drink in which quinine is dissolved. Originally used as a prophylactic against malaria, tonic water usually now has a significantly lower quinine content and is consumed for its distinctive bitter flavor. It is often used in mixed drinks, particularly in gin and tonic. Quinine was added to the
Tonic (Tonic album) #50 on the Billboard Rock album chart, and #25 on the Billboard Independent Albums chart. The album did not chart on either one of those listings after its debut week though. Initial critical reception to the album was positive. Allmusic critic Mark Demming rated the album three out of five stars, saying, "Thankfully, Tonic doesn't sound like the work of a band struggling to re-create their past success, and instead finds them confidently embracing their signature sound and doing what they do with a sure hand and genuine inspiration...Tonic is less a comeback than an enthusiastic return to form, and