BETTA WATER API® BETTA WATER is pre-conditioned and ready to use with no extra preparation or delay! Perfectly pH balanced and free of heavy metals, chlorine, chloramines and ammonia, this water is perfect for any freshwater aquarium. Whether you're setting up a new bowl for your betta or refreshing an existing one, just pour in the water and enjoy! 31 oz. of Betta Water is all you need!