Shop
Want to keep your stuff looking newer, longer? When UV protection and surface finish matter to you, 303 Products has the solution.
-
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 -
303® Marine Fabric Guard (16 oz)
- Restores lost water and stain repellency to factory new levels
- Provides strong resistance against soiling
- Protects against water-based and oil-based stains
- Does not alter fabric color, feel, flammability or breathability
- Safe for the synthetic or natural fibers
$22.95 -
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 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 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 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 -
Natural Chemistry Spa Perfect® (1 L)
- SMARTZyme technology reduces unwanted non-living organic contaminants
- contaminants as: body oils, cosmetics, suntan lotions, hair products, etc.
- Makes water soft and silky
- continually cleans spa filters to prolong filter cycles
$21.25 -
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 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 -
303® Multi-Surface Cleaner (16 oz)
-
303 Multi-Surface Cleaner is safe to use on a variety of surfaces, such as:
- Fabrics: 303 Multi-Surface Cleaner works on all water-safe fabrics and designed to clean even the most delicate fabrics
- Stainless Steel and Chrome: After a family outing, clean up food and drink marks from your boat’s interior and galley.
- Vinyl, Rubber and Plastics: Use on your boat or spa cover to remove dirt or water marks, perfect before sealing with 303 Aerospace Protectant.
- Metal, Aluminum, and Wicker: Take extra care of your furniture. 303 Multi-Surface Cleaner unique formula will rinse residue free.
$18.95 -
-
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 -
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 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 -
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 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 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 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® 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 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 Water Clarifier (16 oz)
- Helps clear cloudy water
- Does not affect pH
- Combines small particles into larger ones for easier filtration
$12.99 -
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 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 -
SpaGuard pH Increaser (18 oz)
- Raises the pH
- Protects equipment from corrosion due to low pH
- Balances water for bather comfort
$8.99 -
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