Fill your Betta aquarium or bowl with API Betta Water and add your fish instantly. API Betta Water for freshwater aquariums is pre-conditioned with no heavy metals, chlorines or chloramines, is pH balanced, contains low mineral content and is ammonia free. Just pour the water directly into your Betta bowl or aquarium and youre done, making setting up new aquariums and water changes quick and easy. Use this pre-conditioned water when starting a new Betta bowl or aquarium, or when changing the water. For best results, use during weekly water changes.