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Want to keep your stuff looking newer, longer? When UV protection and surface finish matter to you, 303 Products has the solution.
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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 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 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 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 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 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 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 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 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 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 -
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 282 Microban® Filter 2-pack (Compatible with Bullfrog Spas® 10-00282, Wellspring 30 Coreless, Pleatco PBF40 PFB40M, Filbur FC-9900)
- Newest filter addition to our Hot Tub Things family!
- Comparable to the Wellspring 282 filter for Bullfrog Spas®
- 2 Premium high-quality filter cartridges | Easy to Clean Microban Pleats | Powerful & Efficient Performance
- Includes two 282 filters per package
- Fits A Series, R Series, and X Series spas (2018 to present)
- A Series, R Series | 2013-2017 | you will need to purchase a Filter Cage Core Assembly (part #10-00417)
- Compatible to Wellspring 282, Unicel 8CH-950, Filbur FC-0536, Pleatco PBF50
$75.95 -
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 -
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 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 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 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 -
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 -
303® Aerospace Protectant (32 oz)
- For vinyl, rubber, and plastic
- Protects and preserves outdoor furnishings from moisture and UV damage
- Prevents fading and cracking
- Repels dust and lint for easier cleaning
- invented and made in USA
$27.95 -
303® Aerospace Protectant (1 gal)
- For vinyl, rubber, and plastic
- Protects and preserves outdoor furnishings from moisture and UV damage
- Prevents fading and cracking
- Repels dust and lint for easier cleaning
- invented and made in USA
$64.95 -
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 -
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 -
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 -
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 -
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 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 -
SilkBalance Shock Gems
- Non-chlorine MPS shock (single-dose)
- Eliminates odors and reduces organic contaminants
- Organic contaminant examples: boil oil, suntan lotion, etc.
- SilkBalance destroys contaminants thru oxidization
- 1 Shock Gem after spa use (2 people) or 2 Shock Gems after spa use (3+ people)
$59.99 -
SilkBalance Clean Start – Plumbing Line Cleaner
- Fast, powerful, safe, and low foam results in 30 minutes or less
- Purges the plumbing system and hot tub accessories
- Eliminates slime and sludge in jets and plumbing lines
- Proprietary formula detoxes your spa but safe to use immediately after
- 1 botte / 1 dose
$24.99 -
SilkBalance Gems Water Care (4 month supply)
- Same great formula in a dissoluble gem form
- Gems dissolve in 20 seconds (when placed in a filter compartment or water stream
- Treatment: 1 Gem a Week (results may vary)
- Results: Silky Soft Skin, pH and Alkalinity balanced, no odors
$179.99 -
SpaGuard Brominating Concentrate (6 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.
$77.99 -
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 -
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 -
Pool Closing Complete™ (2 L)
- Protects your pool in the off season during cooler winter temperatures
- Anti-Corrosion & anti-scaling properties
- Works with chlorine, bromine & saltwater
$44.99 -
Pool Complete® Weekly (3 L)
- 3-in-1 high intensity formula to be used weekly
- Water enhanced to Ultra high definition clarity
- Stops and prevents future scum growth
- Fast acting phosphate remover
$64.99 -
Pool Complete® 911 (2 l)
- Contains powerful Enzymes and Water Clarifiers
- Significant results in 24 hours – also for occasional use
- Instant Water Rescue for cloudy/hazy or murky/swampy water
- Clarifiers collect and move contaminants to filtration for elimination
$32.99 -
High Duty Wind Straps (Set of 2)
- Additional security to hold down your spa cover
- Adjustable length: 92″ to 136″ (230cm to 345cm) and 1.5″ (3.8cm) wide
- Fits spas from 6ft to 9ft (1.8m to 2.7m)
- Stainless screws included and plastic buckles (pinch) included | locking keys
$27.75 -
BioGuard 5-Way Water test strips
- Test for free chlorine, total bromine, pH, Total Alkalinity, and Total Hardness.
- BioGuard 5-Way test strips contain 50 test strips.
- popular testing method for backyard pools and spas
- Recommended to test 4-5x a week
- Decrease test to 2x a week once water is stable
$19.99 -
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 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 -
Bromine Spa Dispenser
- Adjustable feeder chamber controls the rate
- String tie to keep it close by for easy checking and filling
- This dispenser uses 1″ bromine or chlorine tablets.
- For use with spas/hot tubs and small pools.
$15.00 -
Spa Skimmer with Telescopic Pole
- Designed and packaged specifically for spas and hot tubs.
- Comes complete with its own 3ft -5ft telescopic pole.
$29.50 -
Hot Tub Things FROG® @ease® Starter Kit for Bullfrog Spas
- Time-release chlorine means stable water chemistry
- Use less chlorine with Frog minerals
- Each SmartChlor cartridge lasts for up to six weeks
- Complete kit offers everything for switching from traditional chlorine to Frog @ease
- Full instructions included on waterproof card
$89.50 -
Hot Tub Things FROG® @ease® Starter Kit for Sundance Spas
- Time-release chlorine means stable water chemistry
- Use less chlorine with Frog minerals
- Each SmartChlor cartridge lasts for up to six weeks
- Complete kit offers everything for switching from traditional chlorine to Frog @ease
- Full instructions included on waterproof card
$89.50 -
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 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 -
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 -
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 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 -
SpaGuard Soft Soak® TRIO® System
Combines 6 benefits into 1 easy-to-use kit
Soft Soak® TRIO™ makes spa care simple. The pre-measured packets eliminate the guesswork and the easy step numbers let you know exactly when to add them. This system works to:
- Soften water
- Clear water
- Destroy impurities
- Prevent scale
- Prevent corrosion
- Clean pipes and surfaces
$121.99 -
SpaGuard Brominating Tablets (4.5 lb)
- Organic brominating compound (BCDMH) in compressed 1-inch tablets
- Dissolve slowly and protect continuously
- Ideal for heavy bather loads and commercial spas
- Apply in a brominator or in a SpaGuard floating dispenser
$93.99