This is a OEM factory direct replacement rubber stopper smash cap for the CoverMate I hot tub cover. Easily replace your old smash cap with this replacement!
SpaBoss pH Plus easily raises pH levels in spas and hot tubs that are too low below the recommended safe range of 7.2 to 7.6. If levels are too low, your hot tub water can become acidic and other nasty side effects can happen.