Designed specifically for preventing fasteners from coming loose after they are tightened, the ⅜’’ SS Split Lock Washer from Master Spa Parts is the perfect choice for fastening essential components of your spa.
SpaBoss X-It makes it easy to switch sanitizers or to lower excessively high levels of chlorine or bromine in your spa or hot tub without having to drain and refill the whole thing.
Temperature Sensor Mount. Used in older style Master Spas to secure the flow sensor to the spa. A new mount should always be installed when you are replacing your spa sensor unit.
SpaBoss pH Minus is a granular product that lowers pH levels and total alkalinity in your hot tub. It’s easy to add by the ounce to quickly adjust the pH levels for a stable hot tub environment.