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Hot Tub Chemicals

With the right Master Spa chemicals on hand, you can enjoy clear, clean spa water all year round. SpaBoss, SilkBalance, Spa Marvel, FROG, AquaChek and more are the preferred hot tub chemicals for Master Spa, as they contain the highest levels of active ingredients. They work well with all Master Spa hot tubs, as well as a variety of other spa brands and models. Additionally, we offer Bath Bombs, Mineral Therapy, and Spa Crystals to add an extra soothing and therapeutic element to your spa experience.

We carry a huge selection and variety of chemicals and more in stock at the lowest price guaranteed.

Need a bit more guidance on what Master Spa chemicals you should be using, and how to add them to your spa? Check out our Master Spa Maintenance & Care Guide, or call our Customer Service team at (855) 308-2149.

Assortment of Spa Chemicals

Spa Boss: SpaBoss chemicals are one of the preferred hot tub chemicals for Master Spa, as they contain the highest levels of active ingredients for your spa. From cleaners to sanitizers and water balancers, Spa Boss has it all. Some of these products include Spa Boss Chlor-Aid and Spa Boss Spa Shock; chemicals that explicitly disinfect your spa and kill bacteria and algae.

SilkBalance: SilkBalance chemicals use a special formula specifically created to eliminate the need for a lot of chemicals and tedious water maintenance. These assortment of products help to keep your water clean and clear, soft, and pH-balanced.

Spa Marvel: Spa Marvel chemicals are environmentally friendly, and help reduce the need for a lot of chemicals you usually put in your spa water. Perfect for the eco conscious consumer - these products also help soften skin and improve overall skin conditions.

AquaChek: AquaChek test strips make sure your hot tub water is clean and free of contaminants with test strips that, with just one dip, provide you with all of the important spa water results you need. Find out if there are any impurities in your spa water in seconds with AquaChek.

FROG: FROG chemicals eliminate the need for daily maintenance and chlorination, as well as enhance the water quality, and eliminate the smell of chlorine!


Master Spa Chemicals Quick Tips

To maximize the effectiveness of your hot tub chemicals, it’s important to follow proper guidelines for adding and handling the chemicals. Here are a few friendly reminders:

  • Check your chemical levels 1-2 times a week with Master Spa Test Strips.
  • Always add only one chemical (cleaner, sanitizer, or water balancer) to your water at a time. Wait two full hours before adding another to ensure that the chemical has time to properly circulate throughout the water.
  • Keep your Master Spa running whenever you add chemicals.
  • Always accurately measure the chemicals you add based on the gallons of water in the spa to prevent damage to the hot tub and your skin.
  • Keep your spa cover open for 10-15 minutes after you add any hot tub chemicals. This will prevent the off gases from damaging your cover, pillows, and plastic pieces.

Questions About Our Selection of Hot Tub Chemicals?

A Master Spa Parts representative is more than happy to help and speak with you about what type of chemicals you need and how to properly use them. Call our Customer Service team today at (855) 308-2149. We’re happy to help!

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  • AquaChek 6-in-1 test strips are the best way to tell if you need to shock your spa water! You will easily be able to maintain water levels and proper water chemistry with strips, as they test for chlorine, total bromine, free chlorine, total alkalinity, pH, and total hardness in your spa.

    Aquachek 6-in-1 spa test strips
    $8.95
  • 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)
    Hot tub chemical starter kit
    $63.95
  • 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 and won’t disturb the pH or alkalinity balance in your water.

    Spaboss chlor-aid - 2lb.
    $16.00
  • SpaBoss Chlor-Aid - 5lb bag is a great way to disinfect your hot tub water and keep it algae free! This chlorine product disinfects your spa water while keeping your alkalinity balance and pH in line.
    Spaboss chlor-aid - 5lb.
    $32.00
  • SpaBoss Shock (non-chlorine) 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.

    Spaboss shock - 2lb.
    $16.00
  • SpaBoss Non-Chlorine Shock - 7lb container - is the shock product that you need to keep contaminants from ruining your hot tub water and plumbing. Shocking the water regular with a non-chlorine shock keeps organic matter and bacteria from building up! If you are following a regular hot tub maintenance routine, this oxidizing shock is essential to keeping the water healthy, clean, and safe.
    Spaboss spa shock - 7lb.
    $40.00
  • 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.
    16 oz spaboss prevent ii
    $12.00
  • 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. This liquid is a concentrated and multi-purpose stain and scale treatment that is easy to add to any hot tub.

    32 oz spa boss prevent ii
    $16.00
  • 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.
    Spaboss ph minus
    $6.75
  • SpaBoss pH Stable is the easiest way to keep your hot tub water balanced and under control. By keeping the pH level stable, you won’t need any many other chemicals in the water. Balanced water chemistry prolongs the life of your hot tub and all the working parts that make it enjoyable.
    Spaboss ph stable
    $15.50
  • SpaBoss pH Plus easily raises pH levels in spas and hot tubs that are too low below the recommended safe range of 7.2 to 7.6. If levels are too low, your hot tub water can become acidic and other nasty side effects can happen.
    Spaboss ph plus
    $6.75
  • SpaBoss Spa Clear is the quick way to restore clarity and diamond-like brilliance to your spa or hot tub. Clear water makes hot tubs more enjoyable, so use a reliable product to keep it sparkling.
    Spaboss spa clear
    $10.00

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72 Item(s)

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