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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.

ZorbO™, the hot tub and spa scum absorber can absorb up to 15 times its own weight — that’s a lot of body oil-, odor-, and lotion-removing potential in one little product. Keep your water crystal-clear with the Earth-friendly ingredients found in this hot tub and spa scum remover. You’ve tried the rest, now go with the best!

Water can be rough on speakers. The 6.5-inch 2-way marine speakers are ready to take on whatever your Master Spa Hot Tub Series will throw at it.

Customers will enjoy clarity of audio and can rest assured that these speakers will not be destroyed by sun or an the occasional accidental splash of water.

The mineral therapy skin formula by Medicine Springs helps to keep your skin strong, agile, and healthy. Made from geothermal mineral springs around the world – the compounds found in this water will radiate your skin.

One bag treats up to 400 gallons and will last up to 90 days! It has absolutely no impact on your plumbing, filters, or jets. Treat your hot tub the same as you did prior to using this product.

SpaBoss Chlor-Aid (2 lb.) is the easy way to disinfect your hot tub water and keep it free from algae and bacteria that can lead to unwanted side effects. This granular chlorine product immediately disinfects water, keeping it clean and clear. Additionally, Chlor-Aid will not disturb the pH or alkalinity balance in your water. 

The CoverCatch helps keep your spa cover close by and off the ground! It is ideal for smaller sizes spas and covers.

This is the replacement headrest for the Legend Series Pillow Filter Lid, sold here by Master Spa Parts. This replacement headrest is 23 inches wide and works with a variety of models in the Legend Series of home spas. This headrest comes in light grey and includes two cup holders. This replacement part will ship for free throughout the continental U.S. when included in an order of $99 or more.

If replacing one suction cover, it is highly recommended that you replace all of them to be compliant. These suction covers are available for replacement of your older suction covers (spa models pre-2009). There is however no guarantee that these suction covers will fit your pre-2009 spa.

When it comes time to replace your circuit board and return function to your spa's lighting, jet pumps, and high-limit sensors, we've got you covered. Master Spa Parts has numerous legacy Whirlpool® replacement circuit boards in stock, including this MAS520 PC Board (V/N 54357).

Are you ready for the good news? This legacy Whirlpool® circuit board replacement for MAS520 ships fast and with free shipping to all addresses in the Continental United States.

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.

Elevate your aquatic experience with this water-resistant Bluetooth Speaker from Master Spas. Enhance your hot tub sessions with powerful 40W sound and bass boost. This spa-side speaker provides effortless wireless connectivity and a water-resistant design for seamless music streaming without cords or docking. Plus, your perfect soundtrack is always within reach thanks to 10-hour battery life.

SpaBoss Alka Rise boost low alkalinity levels in your spa or hot tub with ease. Prevent pH bounce and damage to your hot tub with this easy to use product.