Hot Tub Serum Cleaning KitThe Hot Tub Serum Cleaning Kit is a 2 in 1 plumbing saver that will ensure your plumbing system is as healthy as possible. Use the Total Cleanse to purge your plumbing lines before you drain and refill the spa, and then once the spa is refilled follow up weekly with the Total Maintenance to prevent biofilm and bacterial buildups from happening until it is time to drain the spa again. Not only will it keep your plumbing lines clear and healthy, but it