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Get rid of excess foam in your hot tub quickly and prevent foam from ruining your enjoyment and relaxation! SpaBoss Defoamer is safe to use even if you’re in the hot tub at the same time.

SpaBoss Prevent II is used to get rid of staining and scaling in your hot tub and prevents it from building up in the first place. Sold in a 16 oz bottle, this liquid is a concentrated and multi-purpose stain and scale treatment that is easy to add to any hot tub.

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.

Given enough time, all hot tub circuit boards will fail. But, that doesn't mean you have to give up on your hot tub altogether. At Master Spa Parts, we're happy to introduce this Contractor Series™ PCB, VS500Z (v/n 55140) at a great value to our website visitors.

Let's make this whole broken-down hot tub a thing of the past by ordering this VS500Z (v/n 55140) Contractor Series™ PCB from the Master Spa Parts online store. Plus, most U.S. destinations qualify for free shipping!

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.

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

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

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

SpaBoss Spa Polish is specially designed to seal the surface of your hot tub or hot tub and keep it sparkling clean and protected.

SpaBoss Descummer boosts the effectiveness of the filtration system in your spa or hot tub, helping to keep the water clean and free of left-over contaminants.

The Spa Dragon is a patented monitoring system with thermal backup protection that prevents freeze damage caused by equipment failure. Stay worry-free in winter, with real-time alerts and automatic heating activation—no matter where you are.

The Black Legend Neck Jet Pillow is made to go with the Master Spa Legend Series Hot Tubs (2003 to 2004).

The right cover piece snaps into the fitted location on the right side and covers all the pieces on that side.

*To determine if this is the correct replacement cover piece you need, look at your hot tub cover in the open position. While facing the spa and open cover lifter, the right cover piece is on the right side.*