Sodium bromide (NaBr) is an effective bacteria killer that should be part of every hot tub’s water clarity regimen. The eco-friendly Cal-Clarity™ II Bromine Generator instantly turns salt into bromine to keep your hot tub water clean and fresh. It also features a dedicated digital topside display that monitors the salt levels. This perpetual sanitation cycle kills bacteria, algae and other pathogenic organisms without ever requiring additional sodium bromide. The Cal-Clarity™ II Bromine Generator also eliminates the need for an Ozonator. The following features offer you a piece of mind.