Search results for: 'st1 hardness up'

Replacement ST1 Control Panel

Trapazoid replacement Topside

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

Trim Ring for Black Pop-up speaker. Protect the rim of your 3.5inch pop-up speaker and so you can focus on enjoying your hot tub. Attractively covers any errors from the cutouts when the speakers are installed.

The Master Spa’s Grey Pop-up Speaker is a replacement for the speakers on your Master Spa series. Enjoy masterful sound as if you the band was playing right near your tub.

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.

Measure the chemical balance of bromine based water with AquaChek Red 4-in-1 Bromine Test Strips in 15 seconds.

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

Keep your water hardness levels on track and avoid spa corrosion with Spa Ease Liquid Calcium.

Measure the chemical balance of your hot tub water with AquaChek Spa 6-in-1 Test Strips in 15 seconds.

• Count: 50 test strips
• Tests for: Total Chlorine, Total Bromine, Free Chlorine, Total Alkalinity, pH and Total Hardness.

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!

Measure the chemical balance of your hot tub water with AquaChek Silver 7-Way Test Strips in just 15 seconds.

• Count: 100 test strips
• Tests for: Total Hardness, Total Chlorine, Total Bromine, Free Chlorine, pH, Total Alkalinity, Stabilizer (Cyanuric Acid).

SpaBoss Spa Shock (2 lb.) is the shock product that you need to keep contaminants from ruining your hot tub water and plumbing. Your chlorine and bromine sanitizers work hard to keep your water disinfected, and shocking the water regular with a non-chlorine shock keeps organic matter and bacteria from building up. Comes in a 2lb. bag.