Skip to content
St Cyr logo white
  • Hot Tubs
    • Dimension One Spas®
    • Nordic Hot Tubs™
    • Artesian Spas™
    • Hydropool Hot Tubs
    • Bullfrog Spas®
  • Pools
    • Radiant Pools
    • Inground Pools
    • Above Ground Pools
    • Fiberglass Pools
  • Swim Spas
    • SwimLife Swim Spas
    • Bullfrog Swim Spas®
  • Service
    • Book Service Now
    • Pool Service
      • Pool Closings
      • Pool Openings
      • Liner Replacements
      • Safety Covers
      • SmartPool Upgrades
    • Hot Tub Service
      • Hot Tub Service and Repair
      • Hot Tub Valet Service
    • Standard Service Agreement
  • Resources
    • Owners Resources
    • Install Gallery
    • Video Gallery
    • FAQs
    • Blog
    • Splash Club
    • Financing
  • Contact
    • Contact Us
    • Hampstead Showroom
    • Middleton Showroom
    • North Hampton Showroom
    • About Us
    • Testimonials
    • Careers
  • Shop
  • Hot Tubs
    • Dimension One Spas®
    • Nordic Hot Tubs™
    • Artesian Spas™
    • Hydropool Hot Tubs
    • Bullfrog Spas®
  • Pools
    • Radiant Pools
    • Inground Pools
    • Above Ground Pools
    • Fiberglass Pools
  • Swim Spas
    • SwimLife Swim Spas
    • Bullfrog Swim Spas®
  • Service
    • Book Service Now
    • Pool Service
      • Pool Closings
      • Pool Openings
      • Liner Replacements
      • Safety Covers
      • SmartPool Upgrades
    • Hot Tub Service
      • Hot Tub Service and Repair
      • Hot Tub Valet Service
    • Standard Service Agreement
  • Resources
    • Owners Resources
    • Install Gallery
    • Video Gallery
    • FAQs
    • Blog
    • Splash Club
    • Financing
  • Contact
    • Contact Us
    • Hampstead Showroom
    • Middleton Showroom
    • North Hampton Showroom
    • About Us
    • Testimonials
    • Careers
  • Shop
SHOP NOW
844-503-7005
CALL 844-503-7005
SHOP ONLINE
Free Shipping On Orders $100 or More - Flat rate shipping $7.95!
Free Shipping On Orders $100 or More

Chemicals

Home / Shop / Chemicals - Page 4

Showing 49–64 of 74 resultsSorted by popularity

  • Spa Cover Care Conditioner

    Spa Cover Care Conditioner

    $21.99

    Spa Cover Care and Conditioner from Leisure Time. Help protect your hot tub cover from UV rays.

    Add to cartLoading Done
  • Spa Instant Cartridge Clean

    Spa Instant Cartridge Clean

    $14.99

    LT Inst. Cartridge Clean(pt)

    Read moreLoading Done
  • Frog @ease Floating Bundle kit

    Floating Frog @ease Bundle

    $110.99

    Bundle the popular Frog @ease Floating Sanitizing System kit with the Frog @ease Smartchlor 3 pack. This will give you 4 smartchlor cartridges plus the 4 month blue mineral cartridge. The system kit also comes with a jump start packet and test strips.

    Read moreLoading Done
  • Spa Pure System Purge 1 PT

    Spa Pure System Purge 1 PT

    $10.99

    SPA PURE 1 PT SYSTEM CLEANSE PURGE HAVILAND

    Add to cartLoading Done
  • Spa Pure Chlorine

    Spa Pure Granular Chlorine 2lb

    $29.99

    SPA PURE 2 LB CHLORINE GRANULAR SPA PURE

    Add to cartLoading Done
  • 1 QT Spa Pure Stain and Scale

    Spa Pure 1 QT. Stain and Scale Preventer

    $14.99

    SPA PURE 1 QT STAIN & SCALE PREVENTER SPA PURE

    Add to cartLoading Done
  • hot tub serum total maintenance

    Hot Serum Total Maintenance

    $129.99

    Keep your hot tub clean and healthy with Hot Tub SERUM Maintenance liquid. This EPA registered bio-film removal product eliminates bacteria that other sanitizers can’t reach, preventing the buildup of sludge and bio-films in your hot tub. Use it weekly for crystal clear, soft and clean spa water.

    Add to cartLoading Done
  • Hot Tub Serum Total Cleanse

    Hot Tub Serum Total Cleanse

    $39.99

    Purge your spa at least once a year to clean out biofilm and other impurities from your hot tubs plumbing. Makes maintaining clear healthy water easy!

    Read moreLoading Done
  • Sale! hot tub chemical complete kit

    Premium Complete Spa Chemical Kit

    $185.92 Original price was: $185.92.$174.99Current price is: $174.99.

    The complete St. Cyr Pool & Spa hot tub chemical kit has everything you need.  Sanitize and balance with the Complete Kit. This kit should be enough to last most hot tub owners 6 months, or longer.

    Add to cartLoading Done
  • Leisure Time Defender

    Leisure Time 1 QT Spa Defender and Scale Preventer

    $21.99

    Experience worry-free spa maintenance with Leisure Time Defender. This specially formulated product prevents scale formation, protecting your spa equipment and surfaces for long-lasting results. Simply use it weekly to enjoy a relaxing spa experience with beautifully clear water.

    Add to cartLoading Done
  • Leisure Time Bright and Clear Clarifier

    Leisure Time 1 QT Bright and Clear Clarifier

    $21.99

    Experience the power of Leisure Time Bright & Clear Clarifier, a fast-acting treatment that keeps your spa water clear, fresh, and ready for relaxation. A little goes a long way to restore hazy water or as a preventative.

    Add to cartLoading Done
  • Leisure Time Jet Clean

    Leisure Time 1pt Spa Jet Clean

    $12.99

    Keep your spa jets clean and flowing smoothly with Leisure Time Jet Clean, a powerful solution that eliminates buildup and ensures optimal water flow.

    Add to cartLoading Done
  • Spa Bright & Clear

    Spa Bright & Clear

    $21.99

    LT Bright & Clear (qt)

    Add to cartLoading Done
  • Leisure Time Reserve

    Leisure Time Reserve

    $29.99

    LT Reserve (qt)

    Read moreLoading Done
  • Leisure Time Bromine Tabs

    Leisure Time 2.2lb Bromine Tabs

    $45.99

    2.2 LB BROMINE TABS From Leisure Time Spa Chemicals. Add to a floating dispenser to help sanitize your hot tub and keep the water crystal clear.

     

    Add to cartLoading Done
  • Spa Pure Clarifier

    Spa Pure 1 Pt Clarifier

    $8.99

    SPA PURE 1 PT CLARIFIER SPA PURE

    Add to cartLoading Done
  • ←
  • 1
  • 2
  • 3
  • 4
  • 5
  • →
St Cyr logo white
Middleton
263 South Main Street, RTE 114
Middleton, MA 01949
Hampstead
138 Route 111
Hampstead, NH 03841
North Hampton
45 Lafayette Rd. Suite 16
North Hampton, NH 03862
CALL 978-774-7005

Products

  • Dimension One Spas®
  • Pools
  • Swim Spas

Resources

  • Shop Online
  • Hot Tub Service
  • Pool Service
  • Owners Resources
  • Read Our Blog

Quick Links

  • Contact Us
  • Splash Club
  • Returns and Refunds
  • Privacy Policy
  • *Legal
  • Terms & Conditions
  • Shipping Policy
Copyright © 2025 St. Cyr Pool and Spa.

Made with heart by IMP Digital.

Facebook Instagram

Product categories

  • Accessories
    • Spa Accessories
      • Spa Scents
  • Chemicals
    • Pool Chemicals
    • Spa Chemicals
  • Filter Cartridges
  • Outdoor Living
    • Coolers
    • Drinkware
  • Pool Cleaners
  • Pool Equipment
    • Pool Filters
    • Pool Heaters
    • Pool Lights
    • Pool Pumps
    • Salt Systems
  • Pool Filter
  • Pool Parts
  • Pools
    • Radiant Pools
  • Spa Chemical Kits
  • Spa Parts
    • Spa Pumps
  • Spa Vacuums
  • Testing Supplies