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
What It Is to Burn the label. Reines offered the group a chance to perform and subsequently invited his sister, and co-label owner, Stefanie to the performance. The pair were impressed and signed the group. Pre-production and demos were done at DML Studios in Escondido, California in February and April 2001. They began recording "What It Is to Burn" in June at Big Fish Studios in Encinitas, California with producer Mark Trombino. They started tracking guitars in July. Strohmeyer used Fender guitars and Marshall amplifiers. Linares used ESP guitars and Mesa amplifiers. Trombino did guitar effects for the album, earning him a programming credit in