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Measure the chemical balance of your chlorine based water with AquaChek TruTest Chlorine Test Strips in 15 seconds.

• Count: 50 test strips
• Tests for: Total Bromine, pH, Total Alkalinity

The combined Bluetooth Stereo & Subwoofer with remote from Aquatic AV brings a fuller and richer sound to your hot tub or swim spa. Upgrade your spa experience with a 288-W amplifier capable of supporting four full-range speakers.

The Wrap Around Pillow from Master Spa is a larger pillow that wraps around the corner of your hot tub.

The 78" x 66" Hot Tub Cover (Long-edge Fold) is an exact Master Spa Factory OEM replacement. It is specifically designed to fit your Master Spas® hot tub. This cover is extremely energy efficient, as it's made of a 1.5-pound foam density, six-inch thick foam insulation (which tapers to 4-inches along the sides), and a full-length heat seal. It has been upgraded to include two rubber grip handles and is made of a high quality marine-grade vinyl covering that is mildew treated.

Note: This particular cover folds along the longer 78" edge. If you need a cover with these same dimensions (66" x 78") but that folds along the short edge, try our 66 × 78 Inch Hot Tub Cover (Short-edge fold).

SpaBoss No Phos is phosphate control for your spa – a naturally formulated additive that helps to remove phosphates from your spa water – keeping it clean and clear! (16 oz. bottle)

The 7x7 Master Spas® hot tub replacement cover (84” x 84”) is a Master Spa Factory OEM replacment (SKU: X454777).

This cover fits other makes of Master Spa, and is the standard at 84" x 84" with a 6" radius.

This cover is extremely energy efficient, as it's made of a 1.5-pound foam density, six-inch thick foam insulation (which tapers to 4-inches along the sides), and a full length heat seal. It has been upgraded to include two rubber grip handles and is made of a high quality marine-grade vinyl covering that is mildew treated and unfazed by UV rays.

BWG Heater Plug N Click Adapter

This adapter eliminates the copper straps going from the heater to the circuit board. 

**This needs to be used on all heaters that come with the plug that is already attached. Removing the plug on the heater will void the warranty.**

Have you narrowed down your hot tub's issue to the circuit board? Are there visible scorch marks on the board? We can help! Master Spa Parts offers a number of OEM circuit board replacements, such as this MAS 425 Value Series™ Circuit Board V/N: 54161 from Master Spas®. Plus, when you purchase this MAS 425 spa circuit board replacement from Master Spa Parts, you can count on free shipping to all locations within the Continental United States.

The Charcoal Legend Wrap Around Pillow is a replacement pillow that will fit with the Legend Series Master Spas from 2010 – 2012.

Are you tired of replacing pool or spa filters simply because they are too difficult to clean? The Filter Flosser attaches to your garden hose to easily wash away dirt and debris from your filter. The Pleatco Filter Flosser works with aquatic filters for spas, hot tubs, and pools.

In all likelihood, you found our website after being quoted an astronomical price for a replacement part from your local repair shop. We're here to deliver the best in value and product selection, including our MS8000 PC Board (V/N 54418) for [brand] spas and hot tubs.

Customers in the Continental United States (sorry, Hawaii and Alaska) receive free shipping on this Master Spas® MS8000 replacement circuit board and others within our shop — place your order today!

This is a copper jumper strap normally used with the ground wires in the spa. These are mounted on the back of the pumps connecting the ground wire. Is part of the connections from the heater to the PC Board.