Serum Watercare brings you this new Triple Action Spa Spray. Triple Action provides you with a solution to two common spa owner complaints. Serum Triple Action stops undesirable musty odors often noticed when opening a hot tub. Triple Action cleans the spa shell above the water line preventing the accumulation of bacteria and other organic contaminants. With a weekly spray Triple Action also prevents mold & mildew from developing on spa covers, around pillows, control panels and steps. Triple Action is the only product of it’s kind to cure two commons problems that have long plagued your spa.