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Spa heaters, automated systems, lights, and salt-water chlorinators all depend on a functional circuit board. With Master Spas®' MS50 U PC board, you can bring back the functionality of your spa or hot tub. Get this MS50 PCB fast and free from the Master Spa Parts warehouse when you order from our online store.

Play and enjoy music from your smartphone or mp3 player while lounging in your spa. This package comes with 1 Magnadyne Aquavibe MD150 AM/FM LED USB Bluetooth marine stereo.

Free shipping for customers in the contiguous 48 US for products over $99 !

The 13' x 90" Axis Swim Spa Cover is a simple and hassle free cover for your swim spa! Made with new rolling technology, this energy efficient cover is extremely easy to operate and it makes taking on and off your swim spa cover easier than ever.

Improve your mood and clear your mind with the cool, revitalizing scent of Eucalyptus Spa Crystals. Simply add a generous scoop to complete your spa experience!

Calm your mind and body with the alluring, juicy scent of Pomegranate Spa Crystals. Simply add one scoop to complete your spa experience!

The Master Spa® Factory OEM 78" x 78" (6.5') replacement hot tub cover (SKU: X457878) is specifically designed to fit your Master Spas® hot tub. This replacement custom hot tub cover ensures energy efficiency as it consists of a 1.5lb foam density, 6 inch thick foam insulation that tapers to 4 inch, full length heat seal cushions that help prevent heat loss, and upgraded black rubber handles.

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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.

The Master Spa® Factory OEM 6.5' x 6.5' replacement hot tub cover (SKU: X454065)is specifically designed to fit your Master Spas® hot tub. This replacement custom hot tub cover ensures energy efficiency as it consists of a 1.5lb foam density, 6 inch thick foam insulation that tapers to 4 inch, full length heat seal cushions that help prevent heat loss, and two upgraded black rubber handles.

The 1/4-20 Threaded Insert for Wood from Master Spa Parts are threaded nuts that can be hammered or screwed into material. Used in a pre-drilled hole to provide an extra secure hold between your spa skirting parts.

Use this SilkBalance solution to clean your spa once a week. This SilkBalance water conditioner softens your water while neutralizing odors, all in seconds of using the product. Additionally, it protects your spa components to which make your spa experience the best it can be. 38oz bottle lasts two months.

As an all-in-one spa and hot tub treatment kit, the SpaBoss Hot Tub Chemical Starter Kit has everything you need to get your spa or hot tub up and running — and ensure it is always safe and ready to use. As a six-piece hot tub treatment kit, it’s quite an economical option, too!

The Hot Tub Chemical Starter Kit (SKU: X777700) includes:

• Granular pH Plus (1.5 lbs)
• Granular pH Minus (2 lbs)
• Granular Non-Chlorine Shock (2 lbs)
• Granular Chlor-Aid (2 lbs)
• Liquid Prevent II (16 oz)
• AquaChek Test Strips (50 Strips)

The Master Spa® Factory OEM 84” x 84” replacement hot tub cover has a 12" radius and is for Getaway Spas ONLY.

This replacement custom hot tub cover ensures energy efficiency as it consists of a 1.5lb foam density, 6 inch thick foam insulation that tapers to 4 inch, full length heat seal cushions that help prevent heat loss, and upgraded black rubber handles.