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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 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 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 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 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 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 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 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 -
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 -
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 -
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 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 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 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 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 -
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 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® 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 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 -
303® Aerospace Protectant (16 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
$16.95 -
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 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 -
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 -
Leisure Time Chlorine & Bromine Test Strips (50 strips)
- 50 hot tub and spa test strips
- protect your equipment from corrosion and your guests from bacteria by testing your hot tub water twice per week
- easy color-coded results in seconds permit you to make quick and clear adjustments to hot tub sanitizers
- works with both bromine sanitizers & Chlorine!
- tests for bromine, chlorine, alkalinity, calcium water hardness, and pH levels
- Made in USA
$14.95 -
Leisure Time® Spa Up (2 lbs)
A granular product that raises pH and total alkalinity levels in hot water. Increases the effectiveness of the sanitizer when levels are in range.
$14.95 -
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 -
Leisure Time® Spa 56 Chlorinating Granules (2 lb)
- BENEFITS: Destroys organic contaminants to maintain clean, clear, sanitized water
- USE: Specifically formulated for spa and hot tubs
- COMPATIBILITY: Chlorine sanitizing systems
- FEATURES: Quick dissolving, EPA approved formula, helps control algae growth, maintains water clean, clear, and sanitized
- ACTIVE INGREDIENTS: Sodium Dichloro-s-Triazinetrione Dihydrate
$30.99 -
101632 | Compression Damped Locking Shock 75#
- Replacement locking shock/strut for CoverMate 3 spa cover lift. 75 lb.
- Features red button type locking mechanism.
- OEM #101632 from Leisure Concepts
$49.95 -
Leisure Time Metal Gon (16 fl oz)
Leisure Time Metal Gon sequesters iron, copper and other minerals and prevents staining of spa surfaces. It is highly concentrated and only needs to be added upon start-up. Use each refill to quickly neutralize metals in your spa or hot tub and prevent stains.
$16.95 -
Leisure Time Renew® Granular (2.2lbs)
A non-chlorine shock oxidizer treatment with a buffering agent that helps eliminate odors and clear cloudy water by reducing irritating contaminants.
- Use with the Leisure Time® Reserve & Renew® System.
- Compatible with chlorine, bromine, ozone and mineral purification systems.
$26.95 -
Leisure Time Filter Clean (32 fl oz)
- BENEFITS: Improves the efficiency and life of the filter
- USE: Soak solution overnight for maximum effect; use when draining and refilling spa or hot tub
- COMPATIBILITY: Chlorine, bromine, ozone and mineral purification systems
$23.95 -
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 -
Leisure Time® Bright & Clear Clarifier (32 fl oz)
- Leisure Time® Bright & Clear is a fast-acting, easy-to-use clarifying treatment keeps spa and hot tub water clear and fresh so you can focus on relaxation
- Unique polymer action neutralizes dirt, soap, oils and other organics that can cause odors and cloudy spa water
- Combines small, suspended particles in hot water so they can be easily trapped by the filter
- Improves spa and hot tub filter efficiency and restores sparkle to dull spa water
- Compatible with chlorine, bromine, ozone and biguanide sanitizers
- The simple routine from Leisure Time® helps you reduce water care time for a more relaxing spa experience
$20.95 -
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 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 -
Leisure Time Enzyme (32 fl oz)
Leisure Time Enzyme is a blend of natural enzymes that breaks down the oil, lotion, and organics that cause unsightly scum lines and odors in spa water. Enzyme helps reduce the need for maintenance of filters and spa surfaces. Works with all types of sanitizers.
$18.95 -
Leisure Time Calcium Booster (1 lb)
- Updated packaging
- updated granular contents – 1lb.
Leisure Time Calcium Booster is used to increase spa water hardness. Spa water containing low levels of calcium will etch plater and corrode equipment. Low calcium levels will also cause spa or hot tub water to foam. Maintaining a hardness level will help protect your spa from these harmful effects.
$13.95 -
Leisure Time Spa Defender (32 fl oz)
A unique blend of organic polymers designed to prevent scale formation, aid in the removal of existing scale and to help prevent precipitation of dissolved solids in spas or hot tubs.
Useful Tips
- Use weekly for continued protection from scale
- Compatible with chlorine, bromine, ozone and biguanide sanitizers
$24.95 -
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 -
Leisure Time® Spa Down (2 lb)
Spa Down by Leisure Time is designed to lower the pH and total alkalinity levels in your hot tub. By maintaining a proper pH level between 7.2 to 7.6 you can swim in comfort and protect your hot tub. Also, proper pH level is required to ensure that your sanitizers can effectively kill bacteria and other contaminants properly.
$14.95 -
Hot Tub Things FROG® @ease Starter Kit for Jacuzzi Hot Tubs
- 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 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 -
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 -
Leisure Time Sodium Bromide (1 lb)
Leisure Time Sodium Bromide establishes an immediate bromide reserve in your spa. This product is for use with brominating tablets. When used with Leisure Time Brom Tabs, the disinfection of the spa will be completely bromine-based and chlorine odors will not exist.
It is important to note that Sodium Bromide is not a disinfectant. It is used to establish a reserve of bromide in spa or hot tub water. It is necessary to use a sanitizer to disinfect the water.
$22.99 -
SmartStep Jr (Black)
- Manufactured by Leisure Concepts
- Slip-resistant rubber tread is safe and soft to the feet
- Includes a single SmartDrawer
- Locks together in seconds
- Unique patented reversible tread design can accommodate round and square spas
$99.00 -
Hot Tub Things FROG® @ease® Starter Kit (with Maintain™)
- Time-release chlorine means stable water chemistry
- Use less chlorine with Frog minerals
- Floating Frog flips over to provide a visual cue to replace the cartridge(s)
- 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 -
Silk Balance Natural Hot Tub Solution 76oz
- Luxury additive—SilkBalance Water Care System softens skin every time you use your spa
- Great water made easy–self-adjusting chemistry helps keep your pH levels steady
- Protects spa equipment—breaks down organic deposits and stops acidity spikes
- Environmentally sound—formulated without harsh chemicals
- Improves H2O performance—keeps prevents deposits and buildup so your pipes stay open
$179.99