Description
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 upto 500 gal; 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).
- Start-up shock for any hot tub up to 500 gallons
- No measuring out cap-fulls per hot tub size
- Just cut the corner and pour into the hot tub
- Unique effervescence helps the di-chlor dissolve quickly
- Provides a low chlorine residual to get the tub started