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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.

Raise both the pH and alkalinity in your Master Spa with Spa Ease pH/Alkalinity up.

Lower both the pH and alkalinity in your spa with Spa Ease pH/Alkalinity down

The powder coated aluminum coupler for the CoverMate I, CoverMate II and CoverMate III is a direct replacement for the original bar.

At Master Spa Parts, we carry the Master Spas® Legend® Series Topside Controller Decal to replace controller overlays from the late 1990s and early 2000s. This Standard Series Overlay features beautiful graphics and will stand up to years of constant heat and humidity.

SpaBoss Cal-Rise is the easiest way to increase calcium hardness levels in your hot tub water. Protect your spa or hot tub and the many working parts within the plumbing and heating system by keeping the water chemistry correctly balanced at all times.

SpaBoss Ultra Spa is the simple and easy product to keep your hot tub water conditioned and your skin soft and smelling fresh. This product works with all sanitizers and hot tub chemicals and contains borates to clarify your spa water.

The ModStep 2XL is the only step in the industry that offers a wide landing platform that is safe and attractive. The large 24” x 35” top platform includes a non-slip, rubber tread to prevent slipping. Built with a powder-coated aluminum frame and polymer treads, the ModStep 2XL is the sturdiest, safest and strongest two-tier step on the market. The easy to attach handrail helps ensure the spa user is able to safely and easily enter and exit their spa. 

The Blue Water metal remover spa pre-filter is designed with a proprietary filtration medium that includes food-grade carbon. This spa pre-filter works to remove up to 98% of heavy metals, as well as VOCs, TOCs, and other contaminants, allowing you to fill your spa from a variety of sources, such as city water, well water, hard or soft water.

Save money on your spa start-up and get clear water ever fill-up — order the Pure Fill Spa Pre-Filter from Master Spa Parts, today!