Spa Frog Jump Start 1.5 oz 1 Packet This convenient and effective spa start-up hot tub shock comes in an easy to pour packet with a unique effervescent feature so you know its working. Its bubbling action properly shocks your hot tub water and sets the initial chlorine level on freshly filled spas up to 500 gallons; and for SPA FROG Mineral System users it helps extend the life of your bromine cartridges. Simply open and pour the hot tub shock package into your spa when starting up a freshly filled hot tub (approximately every 4 months)
- One packet works in spas up to 500 gallons.
- The effervescent action helps the chlorine dissolve faster
- The fizz tells you it's working!
- Jump Start perfectly accompanies the Spa Frog In-Line or floating System