A Mineraluxe system kit that will treat an average sized hot tub for approximately 12 weeks (3 months). This is a Bromine Granules kit. This system kit contains the following; 1 x 480g Bromine Granules, 12 sachets of Oxygen, 13 Mineraluxe Cubes. The components in the kit will largely run out at the same time. Instructions are included. This is a one-time purchase of this product.