Clinical Research Directory

Inclusion Criteria: * Previous diagnosis of symptomatic kidney stone in the past 5 years, * Age 18 or older, * Own an iOS or Android smart phone, * Proficient in English, * Capable of providing informed consent, * Willing to use the water bottle and companion app \& receive text message reminders for 3 months, * Live in continental US. Exclusion Criteria: * Pregnant or planning to become pregnant during the next 6 months, * Concurrently participating in other study involving fluid intake or diet, * Plan to have surgery in the next 6 months, * Co-morbidities that preclude high fluid intake (congestive heart failure, end-stage renal disease, chronic hyponatremia), or * Active medical treatments that would impair protocol compliance.