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SpaGuard Calcium Increaser (12 oz)
- Prevents corrosion of equipment
- Prevents degradation of spa surfaces
- 1 tbsp. per 100 gallons increases calcium hardness ~25 ppm
$7.99 -
SpaGuard pH Increaser (18 oz)
- Raises the pH
- Protects equipment from corrosion due to low pH
- Balances water for bather comfort
$8.99 -
SpaGuard pH Decreaser (22 oz)
- Lowers the pH
- Protects spa and equipment due to improper pH
- Prevents cloudy water due to high pH
- Balances water for bather comfort
$9.99 -
Hot Tub Things pH and Alkalinity Up (1 lb)
- PROPER BALANCE: Keep hot tub water in check – this product increases pH and Alkalinity to obtain the proper balance!
- PUREST CHEMICALS AVAILABLE: Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
- #1 TRUSTED BRAND: Hot tub things is America’s #1 Trusted Brand of Hot Tub Chemicals. Try us!
- MULTIPLE BENEFITS: The product raises low pH to prevent corrosion, optimize sanitizer effectiveness, reduce eye irritation.
- GUARANTEED PERFORMANCE: Safety Tested to Assure Quality, Guaranteed Performance
- MAINTAIN OR INCREASE YOUR PH: Add the appropriate amount of product to maintain the pH level or raise the level up
$12.50 -
SpaGuard Water Clarifier (16 oz)
- Helps clear cloudy water
- Does not affect pH
- Combines small particles into larger ones for easier filtration
$12.99 -
SpaGuard Total Alkalinity Increaser (2 lb)
- Eliminates “pH bounce” by balancing total alkalinity
- Helps to prevent equipment and surface corrosion and damage due to low pH
- 1 tbsp. per 100 gallons raises total alkalinity 25 ppm
$12.99 -
SpaGuard® Rapid-Dissolve pH Decreaser Tabs (1.25 lb)
- Quickly decrease pH level of spa water
- Provide soaker comfort and protect spa and swim spa equipment
- 2 tabs per 250 gallons – 1000 liters as needed
- Lowers pH 0.1 – 0.2 units
$12.99 -
Hot Tub Things Spa Clarifier (16 oz)
- NO MORE CLOUDY WATER: Keep hot tub water sparkling year round! A dose of spa clarifier will quickly eliminate cloudy water.
- TOP BRAND: Hot tubs things is America’s #1 Trusted Brand of Hot Tub Chemicals
- GUARANTEED PERFORMANCE: Safety Tested to Assure Quality, Guaranteed Performance
- PUREST CHEMICALS: Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
$13.00 -
SpaGuard Anti Foam (16 oz)
- 16 oz bottle of SpaGuard Anti Foam
- Chlorine-free, compatible with chlorine, bromine, and minerals
- Fast-acting water treatment reduces foam instantly
- Does not interrupt your bathing session
$13.99 -
Hot Tub Things Pillow & Cover Cleaner 32 oz
- The quick and easy way to clean hot tub pillows
- America’s #1 Trusted Brand of Hot Tub Chemicals
- Safety Tested to Assure Quality, Guaranteed Performance
- Formulated Exclusively for Hot Tubs not to cause excess foam the way soap can
- Alcohol-free formula will not cause pillows to dry or crack
$15.95 -
SpaGuard® Rapid-Dissolve Alkalinity Increaser Tabs (1.25 lb)
- Control pH bounce by quickly raising total alkalinity
- Helps protect equipment from corrosion
- 2 tabs per 250 gallons – 1000 liters as needed
- Raises total alkalinity by 30 ppm
$15.99 -
Hot Tub Things Chlorinating Granules (1 lb)
- BACTERIA AT BAY: Say goodbye to bacteria and say hello to clean water!
- TOP BRAND: Hot tub things is America’s #1 Trusted Brand of Hot Tub Chemicals.
- GUARANTEED PERFORMANCE: Safety Tested to Assure Quality, Guaranteed Performance.
- PUREST CHEMICALS AVAILABLE: Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available.
$16.00 -
Hot Tub Things Filter (compatible with Sundance® 6540-502)
Please Note: This is the disposable, spun-polymer filter. It is “doughnut” shaped. 5″ tall, 7.75″ in diameter. Most Sundance Spas hot tubs that use this filter will also need the pleated filter cartridge HTT-6540-501 or comparable Sundance Filter.
- SINGLE PACK | Save money and resources. lasts up to 6 months
- FULLY COMPATIBLE | The replacement filter fits perfectly in Sundance Select series hot tubs, so you can purify your residential hot tub while saving money over name-brand Sundance filters
- SUPERIOR FILTRATION | The blown polymer strands in this filter nest tightly to screen out even microscopic-sized particles
- SUITABLE FOR ALL CHEMISTRIES | The filter is compatible with bromine, chlorine, UV-ray, and the SunPurity mineral sanitizer (sold separately)
$18.50 -
Hot Tub Things Oxidizing Spa Shock (1 lb)
- BY ORGANIC BUILD UP!: Use shock weekly to control and prevent organic buildup that causes cloudy water!
- TOP BRAND: Hot tub things is America’s #1 Trusted Brand of Hot Tub Chemicals
- GUARANTEED PERFORMANCE: Safety Tested to Assure Quality, Guaranteed Performance
- PUREST CHEMICALS!: Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
$19.00 -
Hot Tub Things Cartridge Cleaner (32 oz)
- Use Cartridge Cleaner for a deep clean that keeps your filter operating in peak condition; specifically for removal of oils, grease and soaps!
- America’s #1 Trusted Brand of Hot Tub Chemicals
- Safety Tested to Assure Quality, Guaranteed Performance
- Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
- Compare to Leisure Time Filter Clean
$19.50 -
Hot Tub Things pH and Alkalinity Up (2 lb)
- PROPER BALANCE: Keep hot tub water in check – this product increases pH and Alkalinity to obtain the proper balance!
- PUREST CHEMICALS AVAILABLE: Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
- #1 TRUSTED BRAND: Hot tub things is America’s #1 Trusted Brand of Hot Tub Chemicals. Try us!
- MULTIPLE BENEFITS: The product raises low pH to prevent corrosion, optimize sanitizer effectiveness, reduce eye irritation.
- GUARANTEED PERFORMANCE: Safety Tested to Assure Quality, Guaranteed Performance
- MAINTAIN OR INCREASE YOUR PH: Add the appropriate amount of product to maintain the pH level or raise the level up
$21.50 -
Hot Tub Things Metal Out (16 oz)
- Prevent scale, staining, and calcium build-up on surfaces.
- America’s #1 Trusted Brand of Hot Tub Chemicals
- Safety Tested to Assure Quality, Guaranteed Performance
- Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
- Compare to Leisure Time Metal Gone
$22.50 -
Hot Tub Things Spa Defoamer (16 oz)
- Instantly zap foam with a dose of Spa Defoamer – breaks up existing foam in spas, hot tubs, and whirlpools!
- America’s #1 Trusted Brand of Hot Tub Chemicals
- Safety Tested to Assure Quality, Guaranteed Performance
- Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
- Compare to Leisure Time Foam Down
$22.50 -
Hot Tub Things Jet Line Cleaner 16 oz
- Jet Line Cleaner clears spa and jetted bath tub plumbing of organics, oils, dirt, and minerals!
- America’s #1 Trusted Brand of Hot Tub Chemicals
- Safety Tested to Assure Quality, Guaranteed Performance
- Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
- Compare to Leisure Time Jet Line
$22.50 -
SpaGuard® Rapid-Dissolve Shock Oxidizing Tabs (1.25 lb)
- Non-chlorine shock-oxidizer
- Quickly oxidizes non-living waste and contaminants**
- Single-dose, 1” tab per 300 gallons – 1200 liters weekly
- Bottle treats average-sized spas for 12+ weeks
$23.99 -
Hot Tub Things pH and Alkalinity Down 1.25 lb
- Keep hot tub water in check. This product lowers pH and Alkalinity to obtain the proper balance!
- America’s #1 Trusted Brand of Hot Tub Chemicals
- Safety Tested to Assure Quality, Guaranteed Performance
- Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
- Compare to Leisure Time Spa Down
$24.50 -
Hot Tub Things SPAPURITY™ Mineral Cartridge
Clean your hot tub water with the power of silver ions.
- Boosts your water quality effectively, constantly, and without chemical odors
- Compatible with all major hot tub brands
- Handles up to 500 gallon spas
- Works alongside chlorine, bromine, ozone, and UV sanitizers
$24.95 -
Hot Tub Things Calcium Increaser 32 oz
- Add a little calcium increaser regularly to protect your hot tub from corrosion caused by low calcium
- America’s #1 Trusted Brand of Hot Tub Chemicals
- Safety Tested to Assure Quality, Guaranteed Performance
- Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
- Compare to Leisure Time Calcium Booster
$25.50 -
Hot Tub Things Spa Clarifier (32 oz)
- NO MORE CLOUDY WATER: Keep hot tub water sparkling year round! A dose of spa clarifier will quickly eliminate cloudy water.
- TOP BRAND: Hot tubs things is America’s #1 Trusted Brand of Hot Tub Chemicals
- GUARANTEED PERFORMANCE: Safety Tested to Assure Quality, Guaranteed Performance
- PUREST CHEMICALS: Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
$25.50 -
SpaGuard Spa Sentry® (32 oz)
- Controls pH in one easy step
- Establishes proper PH and prevents pH drift
- Softens hot tub water by removing calcium
- Enhances water clarity
$25.99 -
SpaGuard Natural Spa Enzyme (32 oz)
• Enzyme formulation breaks down oils naturally
• pH~3.0-4.5
• Reduces scum line build-up and odors
• Controls cloudy water
• Improves Filtration
• Reduces maintenance time
• Keeps spa clean longer$26.99 -
Hot Tub Things Stain and Scale Control 32 oz
- This necessary fresh fill product prevents the collection of harmful minerals on the hot tub shell and parts!
- America’s #1 Trusted Brand of Hot Tub Chemicals
- Safety Tested to Assure Quality, Guaranteed Performance
- Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
- Compare to Leisure Time Control
$27.50 -
Hot Tub Things Instant Cartridge Cleaner (32 oz)
- The quick and easy way to clean a hot tub filter. Spray On, Rinse Off, No Soaking Required!
- America’s #1 Trusted Brand of Hot Tub Chemicals
- Safety Tested to Assure Quality, Guaranteed Performance
- Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
- Compare to Leisure Time Instant Cartridge Clean
$27.50 -
SpaGuard Stain & Scale Control (32 oz)
- SpaGuard Spa Stain & Scale Control – 1 Quart
- Prevents scale formation and cloudy water due to high calcium levels
- Removes some scale buildup on spa surface
- Removes relatively fresh metal stains from spa surfaces
- Simply add this powerful liquid formula weekly to safeguard your spa or hot tub from these threats. Color of the liquid is natural brown
$27.99 -
SpaGuard Brominating Concentrate (2 lb)
- Add granular pellets into spa while pump is running.
- pH Neutral so it will not change the pH levels of your spa.
- eliminates odors and other compounds.
$27.99 -
SpaGuard Spa Shock-Oxidizer (Buffered Non-Chlorine) (35 oz)
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- 35 oz bottle SpaGuard Spa Shock-Oxidizer
- Buffered, non-chlorine formula does not interfere with your balance water
- Compatible with chlorine, bromine, and minerals
- Use along with a chemical sanitizer to keep your hot tub clean and germ-free
$28.99 -
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SpaGuard® Rapid-Dissolve Stain & Scale Tabs (1.25 lb)
- Controls metal-based staining & scaling
- Protects spa and swim spa equipment and surfaces
- Single-dose, 1” tab per 300 gallons – 1200 liters weekly
- Bottle treats average-sized spa for 12+ weeks
$28.99 -
SpaGuard Chlorinating Concentrate (2 lb)
- Fast-acting, quick-dissolving
- Easy to use, no pre-dissolving needed
- Acts as a sanitizer and an oxidizer; no need for two products
- Apply directly to water while the pump is running
$29.99 -
Hot Tub Things Chlorinating Granules (2 lb)
- BACTERIA AT BAY: Say goodbye to bacteria and say hello to clean water!
- TOP BRAND: Hot tub things is America’s #1 Trusted Brand of Hot Tub Chemicals.
- GUARANTEED PERFORMANCE: Safety Tested to Assure Quality, Guaranteed Performance.
- PUREST CHEMICALS AVAILABLE: Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available.
$30.00 -
SpaGuard Brominating Tablets (1.5 lb)
- 24 oz bottle of brom tabs
- tablets measure 1.25″ diameter and fit most dispensers
- low-odor, low-maintenance formula
- requires shock and/or sodium bromide when filling tub with fresh water
$33.99 -
SpaGuard® Rapid-Dissolve Chlorinating Tabs (1.25 lb)
- Quick-dissolving sanitizer and oxidizer
- Single-dose, 1” tab per 300/600 gallons – 1200-2700 liters weekly
- Administers 3-5ppm of free chlorine
$34.99 -
Hot Tub Things Bromine Tablets 1.5 lb
- EFFECTIVE SANITIZING: Hot Tub Things Bromine Tablets kill bacteria, viruses, mold, and algae.
- LOW ODOR: Bromine gives off far less odor than comparable chlorine sanitizer. Your colorful swimsuits will last longer with bromine, too.
- PUREST CHEMICALS: Our tablets are 98% bromochloro-5-5 with just 2% binding agents to hold the tablet together.
- CONSTANT, STEADY SANITIZING: Bromine dissolves slowly, so you’ll add chemicals less often.
- TOP BRAND: Hot tub things is America’s #1 Trusted Brand of Hot Tub Chemicals.
- GUARANTEED PERFORMANCE: Safety Tested to Assure Quality, Guaranteed Performance.
- SMALL TABLETS: These are 1″ inch tablets so they can be easily dissolved in water.
$35.50 -
Hot Tub Things Filter (compatible with Sundance® 6473-164)
- Replacement for Sundance Spas Microclean Inner Filter 6473-164
- Inner Filter is used on Sundance Spas 880 Series and 850 Series
- Inner Filter used with 6473-165 Outer Filter
- 100% compatible with Sundance Spa Parts and Filters
- Height: 18.74″ Diameter: 5.63″
$35.95 -
Hot Tub Things Oxidizing Spa Shock (2.2 lb)
- BY ORGANIC BUILD UP!: Use shock weekly to control and prevent organic buildup that causes cloudy water!
- TOP BRAND: Hot tub things is America’s #1 Trusted Brand of Hot Tub Chemicals
- GUARANTEED PERFORMANCE: Safety Tested to Assure Quality, Guaranteed Performance
- PUREST CHEMICALS!: Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
$38.50 -
Hot Tub Things Filter (compatible with Jacuzzi® 6000-383AJ)
- FULLY COMPATIBLE | The replacement filter fits perfectly in most modern J-300 series hot tubs, so you can purify your residential hot tub while saving money over name-brand Jacuzzi filters
- SUPERIOR FILTRATION | The pleated filtration fabric exposes the maximum surface area (60 sq ft) to your water flow
- SUITABLE FOR ALL CHEMISTRIES | The filter is compatible with bromine, chlorine, UV-ray, and the ProClear mineral sanitizer (sold separately)
$45.95 -
Hot Tub Things Filter (compatible with Sundance® 6540-501)
Please Note: This is the pleated portion. 14″ tall, 8.5″ in diameter. Most Sundance Spas hot tubs that use this filter will also need the disposable spun-polymer filter “doughnut,” part 6540-502.
- FULLY COMPATIBLE | The replacement filter fits perfectly in Sundance Select series hot tubs, so you can purify your residential hot tub while saving money over name-brand Sundance filters
- SUPERIOR FILTRATION | The pleated filtration fabric exposes the maximum surface area to your water flow
- SUITABLE FOR ALL CHEMISTRIES | The filter is compatible with bromine, chlorine, UV-ray, and the SunPurity mineral sanitizer (sold separately)
$47.95 -
SpaGuard Enhanced Shock (6 lb)
- Multi-purpose shock with four benefits in one: shock, clarifier, flocculent and pH buffer
- Restores water sparkle and removes unpleasant odors
- Treat and soak in as soon as 15 minutes*
- Compatible with chlorinated or brominated spas and those using ozone or ionization systems
$52.99 -
Hot Tub Things Filter (compatible with Sundance® 6473-165)
Please Note: This is an outer filter only. Doesn’t include Hot Tub Things 6473-164 inner filter cartridge
- This is the OUTER FILTER ONLY. Doesn’t include Hot Tub Things 6473-164 inner filter cartridge. Again this doesn’t include the inner filter cartridge. You’ll have to buy the inner cartridge as well for a proper fitting in the spa.
$60.95 -
Hot Tub Things Chlorinating Granules (5 lb)
- BACTERIA AT BAY: Say goodbye to bacteria and say hello to clean water!
- TOP BRAND: Hot tub things is America’s #1 Trusted Brand of Hot Tub Chemicals.
- GUARANTEED PERFORMANCE: Safety Tested to Assure Quality, Guaranteed Performance.
- PUREST CHEMICALS AVAILABLE: Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available.
$65.00 -
Hot Tub Things Filter (compatible with Sundance® 6540-488)
- PURE PEACE OF MIND | Clean water makes for a better, more relaxing soak.
- LOW MAINTENANCE
- COMPLETE COMPATABILITY | installs easily and performs just as well as the name brand Sundance Filter.
- ECO- FRIENDLY CHOICE
- FOCUSED ON COMFORT | Hot Tub Things has provided spa services and hot tub supplies for over 20 years. Let us help you take care of your backyard oasis.
$67.95 -
SpaGuard Chlorinating Concentrate (5 lb)
- 5lb Chlorinating Granules formulated for hot tubs and swim spas
- SpaGuard chlorine kills bacteria, viruses, and microbes within 30 seconds when used according to label instructions
- Economy size bottle lasts for months of frequent hot tub bathing
- Convenient carrying handle helps offset weight of the product
$67.99 -
Hot Tub Things Bromine Tablets 5 lb
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- EFFECTIVE SANITIZING: Hot Tub Things Bromine Tablets kill bacteria, viruses, mold, and algae.
- LOW ODOR: Bromine gives off far less odor than comparable chlorine sanitizer. Your colorful swimsuits will last longer with bromine, too.
- PUREST CHEMICALS: Our tablets are 98% bromochloro-5-5 with just 2% binding agents to hold the tablet together.
- CONSTANT, STEADY SANITIZING: Bromine dissolves slowly, so you’ll add chemicals less often.
- TOP BRAND: Hot tub things is America’s #1 Trusted Brand of Hot Tub Chemicals.
- GUARANTEED PERFORMANCE: Safety Tested to Assure Quality, Guaranteed Performance.
- SMALL TABLETS: These are 1″ inch tablets so they can be easily dissolved in water.
As of January 2022, we are out of stock on our 5lb Bromine Tablets. We still have stock of our 1.5lb Bromine Tablets.
$69.00 -
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Hot Tub Things 281 Microban® Filter 2-pack (Compatible 10-00281, Wellspring 18 Coreless, Pleatco PBF17 PBF17-M)
- Newest filter addition to our Hot Tub Things family!
- Comparable to the Wellspring 281 filter for Bullfrog Spas®
- 2 Premium high-quality filter cartridges | Easy to Clean Microban Pleats | Powerful & Efficient Performance
- Includes two 281 filters per package
- STIL Series Spas 2018 – Present
- STIL Series Spas from | 2015-2017 | you will need to purchase a Filter Cage Core Assembly (part #10-00417)
- Compatible to Wellspring 281, Wellspring 18 Coreless, Pleatco PBF17, PBF17-M
$72.95 -
Hot Tub Things Oxidizing Spa Shock (5 lb)
- BY ORGANIC BUILD UP!: Use shock weekly to control and prevent organic buildup that causes cloudy water!
- TOP BRAND: Hot tub things is America’s #1 Trusted Brand of Hot Tub Chemicals
- GUARANTEED PERFORMANCE: Safety Tested to Assure Quality, Guaranteed Performance
- PUREST CHEMICALS!: Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
$75.50 -
Hot Tub Things Chlorine Starter Kit
- Everything You Need To Start Up Your New Hot Tub
- America’s #1 Trusted Brand of Hot Tub Chemicals
- Safety Tested to Assure Quality, Guaranteed Performance
- Formulated Exclusively for Hot Tubs And Made from the Purest Chemicals Available
- Compare to Leisure Time Chlorine Starter Kit
$75.50