Gecko Bromicharge Sodium Bromide - 3.5 PoundsGecko Bromicharge Sodium Bromide Bromicharge provides a bromine reserve in your hot tub water that your in. Clear generator will use to create bromine. Features: Provides an instant bromine reserve in hot tub water For use with Gecko in. Clear or other bromine generating systems Can be used with any spa bromine generator that requires 99% sodium bromide Size: 3. 5 Pounds Ingredients: Active Ingredient: Sodium Bromide 99% Other Ingredients: 1% Gecko