Hot Tub Chemicals

Hot Tub Chemicals

Pool and Spa Outpost carries discount, name brand hot tub chemicals to keep your spa water safe and sanitary.  Find great deals on spa test strips, ozone test strips, bromine pucks, granular chlorine, pH modifiers and shock treatments.  We also carry starter kits so you can get everything you need in one bundle.  Find replacement filters, chemical dispensers, leak sealers and cover cleaners at great prices.

Looking to reduce your chemical usage?  Try the Frog mineral purifier or some of our other mineral and enzyme products.  We ship chemicals within the contental USA.  Orders over $95 ship for free.  Questions about hot tub water maintenance?  View the easy spa water maintenance tips, videos and guides on www.HotTubOutpost.com.

  • On Sale
    Calcium Hardness Increaser 8 Lbs 4724024

    SwimNSpa

    Calcium Hardness Increaser 8 Lbs 47240240

    Now: $20.95
    Was: $35.95
    Calcium Hardness Increaser 8 Lbs 47240240 is a Calcium Hardness increaser dry granular product that increases total hardness of pool and spa water. ACTIVE INGREDIENT:Calcium Chloride Compound................................100% DIRECTIONS FOR USETest...
  • On Sale
    Spa Frog mineral stick Frog Spa Mineral Purifier 1143712 1143712-Q

    King Technology

    Frog Spa Mineral Purifier 1143712 1143712-Q

    Now: $37.63
    Was: $40.09
    Spa Frog mineral purifier helps reduce the amount of sanitizer needed in hot tubs.  Less odor and less harsh chemicals. The FROG is the natural spa purifier. It is used in conjunction with low levels of Chlorine & Bromine. Perfect for...
  • On Sale
    pH reducer down for hot tubs pH adjustment reduction for spas

    QCA Spas

    pH Down for Hot Tubs Size 3 Lbs 32003SB 32003SB-Q

    Now: $9.35
    Was: $9.95
    PH down or reducer for hot tub spa water lowers the pH level in hot tubs effectively. Decreases the pH level when your spa water tests as alkaline or above 7.6.  The recommended range is 7.2 - 7.6 ppm.  In this range, both the spa user and...
  • On Sale
    pH Minus 4 Lb Lower pH 47240270

    SwimNSpa

    pH Minus 4 Lb Lower pH 47240270

    Now: $15.95
    Was: $19.95
    PH decreaser for pools and hot tub spas 47240270 lowers the pH level in hot tubs. Swim N Spa pH Minus is used to lower the pH in pool and spa water. The water should be maintained at a pHof 7.2-7.8 and total alkalinity from 80-140 ppm. Test water...
  • On Sale
    pH Plus 5 Lb Raise pH

    SwimNSpa

    pH Plus 5 Lb Raise pH

    Now: $11.95
    Was: $17.95
    PH increaser for pools and hot tub spas raises the pH level in hot tubs. Increases the pH level when your spa water tests as acidic. The recommended range is 7.2 - 7.6 ppm. Swim N Spa pH Plus is used to raise the pH in pool and spa water. The water...
  • On Sale
    pH increaser for hot tubs

    QCA Spas

    pH Up Increaser 2 Lbs 31102SB 31102SB-Q

    Now: $7.19
    Was: $7.95
    PH increaser for hot tub spas raises the pH level in hot tubs. Increases the pH level when your spa water tests as acidic. The recommended range is 7.4 - 7.8 ppm. In this range, both the spa user and equipment are protected. If the pH levels are not in...
  • On Sale
    3 way test kit for pools and spas

    Poolmaster

    Pool Spa 3-Way Test Kit 22240 22240-Q

    Now: $10.56
    Was: $11.00
    Poolmaster 22240 test kit. This kit tests for chlorine, bromine and pH levels in swimming pool and spa water. 1/2 ounce solutions OTO and Phenol Red included. The built-in color readings are on the front and on the back as well. Comes with polyethelne...
  • On Sale
    Shock Sanitizer 3 Inch Giant Tabs 47240065

    SwimNSpa

    Shock Sanitizer 3 Inch Giant Tabs 47240065

    Now: $27.95
    Was: $38.95
    47240065 GIANT TABS 5lb. of 3 inch giant tabs for pools. Swim N Spa Giant Tabs (Pool and Spa Chlorine Tablets) kill bacteria, prevent the growth of algae, and help to maintain a safe swimming and soaking pH level in your pool or spa water. Swim N Spa...
  • On Sale
    Chlorine based starter kit hot tub chemical set.

    QCA Spas

    Spa Breeze Chlorine Starter Kit 90010SB 90010SB-Q

    Now: $57.21
    Was: $72.95
    Complete hot tub spa chemical and maintenance kit including chlorine sanitizer for a chlorine based sanitizing solution. Chlorine starter kit uses chlorine as the main sanitizer.  We also offer a bromine starter kit if you want to use bromine...
  • On Sale
    Insta Test strip for testing chlorine, bromine, pH and alkalinity in hot tubs.

    Poolmaster

    Test Strips Insta Test Pools or Spas 2976-12 2976-12-Q

    Now: $7.19
    Was: $11.95
    Test strips for hot tubs. Hot tub and pool water test strips for testing bromine, chlorine, pH and Alkalinity. These are our most popular water test strips for hot tubs that use either chlorine or bromine to sanitize the water. (Never mix chlorine and...
  • On Sale
    Nature2 Spa Stick Nature2 Spa Stick at a different angle

    Polaris

    Nature2 Spa Stick W20750

    Now: $48.46
    Was: $84.73
    Nature2 Spa sanitizer uses patented mineral-bed technology to destroy bacteria. Its revolutionary process significantly improves the look, feel, and smell of spa water by dramatically reducing chlorine and bromine requirements. If used with MPS, the most...
  • On Sale
    Leak Sealer 1140204

    QCA Spas

    Leak Sealer 1140204 1140204-Q

    Now: $26.35
    Was: $28.71
    This item had been discontinued. See our Marlig leak seal. This other brand is discontinued. Liquid leak sealer for hot tub spas fixes minor hot tub leaks. Leak Sealer's unique composition allows for maximum effectiveness in 24 hours and seals...