Raises both pH and total alkalinity to ideal levels for spa water stability and comfort. Prevents corrosion of spa components and extends the life of heaters, jets, and plumbing. Helps maintain sanitizer efficiency by keeping water within the proper chemical range. Fast-dissolving granular formula for easy and precise dosing. Safe for use with all types of sanitizers, including chlorine, bromine, saltwater, and mineral systems. Reduces cloudy water and skin/eye irritation caused by low pH or unbalanced water. Packaged in a 1 lb resealable container with clear dosing instructions. Made in the USA and trusted by spa owners and professionals alike.

Compatible with FROG @ease Systems: FROG @ease Test Strips are only compatible with FROG @ease sanitizing systems; works for both hot tubs and swim spas Unique SmartChlor Test Kit: FROG @ease Test Strips are specially designed to test for SmartChlor and are much easier to use than other test strips; one color match shows when the FROG @ease SmartChlor Cartridge needs to be replaced Test Strips for Home Spa: In seconds, you can know whether your Total Alkalinity, pH, and Total Hardness are within ideal guidelines; dip the test strip, remove, and hold it next to the color chart Essential FROG @ease Test Kit: Each bottle contains 30 test strips; recommended to test at least once per week to ensure water is properly balanced Water Care Expertise: FROG has more than 25 years of experience making water care easier & keeping pool, hot tub and swim spa water sanitized; FROG’s patented Mineral Technology and prefilled cartridges create cleaner, clearer, softer water that’s no mess, no guess and no stress

Specially designed granular blend to reduce elevated pH and total alkalinity simultaneously—ideal for water above 7.8 pH or 150 ppm alkalinity. Helps prevent scale buildup, protect heaters and pumps, eliminate cloudy water, and reduce skin and eye irritation by stabilizing chemical balance. Packed with high-purity ingredients and safety-tested by Hot Tub Things, ensuring consistent performance and spa safety. Granular form allows precision dosing—just add recommended dose based on test results, run pump for 15–20 minutes, then wait 2 hours before retesting; adjust as needed. Convenient 1.25 lb resealable bag provides multiple treatments—perfect for season-long spa water care.

Designed exclusively for Bullfrog® Spas with the Simplicity™ control system (2019 and newer) Includes pre-filled SmartChlor® and mineral cartridges for low-maintenance water care Self-regulating chlorine delivery maintains a consistent sanitizing level with less monitoring No measuring or daily dosing—simply snap in cartridges and relax Up to 75% less chlorine use compared to traditional systems, with no fading, odors, or skin irritation Mineral cartridge lasts up to 4 months; SmartChlor® cartridge lasts 3–4 weeks Cartridges insert directly into the in-line housing built into the spa Leaves water silky smooth, with fewer chemicals and less effort

Complete floating sanitizing system that combines FROG® minerals and SmartChlor® technology for hands-off water care Includes one SmartChlor cartridge, one mineral cartridge, one Jump Start shock packet, and 30 @ease test strips Designed to float in the spa water at an angle, flipping over when the SmartChlor cartridge is empty Ideal for hot tubs up to 600 gallons, maintaining consistent free chlorine levels with up to 75% less chlorine Cartridges are easy to snap together and replace—SmartChlor lasts 3–4 weeks; mineral lasts up to 4 months Helps maintain silky soft, crystal-clear water while reducing chemical odor and surface damage Shock treatment is only required once a month using the included Jump Start packet Durable construction stands up to spa chemicals and daily use with no tools or daily maintenance needed

Chlorine Start-Up Shock: Shock your freshly filled hot tub with FROG Jump Start and establish an initial chlorine level while removing organic components; single dose treats hot tubs up to 600 gallons Effective Water Sanitization: Add FROG Jump Start after filling your hot tub to establish a baseline chlorine level; optimizes the performance of all FROG hot tub sanitizing systems Compatible with Hot Tub Chemicals: FROG Jump Start is a dichlor product, and is compatible with other hot tub chemicals (except for biguinides) and water care programs Convenient Hot Tub Water Treatment: FROG Jump Start is prefilled in a packet; cut it open and pour in with no measuring or handling of chemicals; quickly dissolves with a fizzing action to ensure effective sanitization Water Care Expertise: FROG has more than 25 years of experience making water care easier & keeping pool, hot tub and swim spa water sanitized; FROG's patented Mineral Technology and prefilled cartridges create cleaner, clearer, softer water

Includes three replacement SmartChlor® cartridges designed for use with the FROG® @ease Floating Sanitizing System. Each cartridge lasts 3–4 weeks, giving you 3–4 months of worry-free water care in one convenient package. SmartChlor Technology self-regulates chlorine levels, releasing only what’s needed when it’s needed. Reduces chlorine usage by up to 75% compared to standard spa chlorine methods, minimizing odors and skin/eye irritation. Designed for spas up to 600 gallons; not intended for use with swim spas or in-line systems. When the floating system flips over, it signals time to replace the empty cartridge—no guesswork. Works in tandem with the FROG® mineral cartridge to maintain clean, balanced water. Quick-snap design makes replacements fast and tool-free—ideal for busy spa owners.

  Dual-pack of SCUMBALLS® oil-absorbing sponges designed to eliminate surface oils, lotions, and scum from hot tubs and spas Each sponge absorbs up to 43× its weight in body oils, cosmetics, suntan lotion, and other contaminants Helps prevent waterline buildup, cloudy water, and clogged filters, extending the life of your spa filtration system Soft, floating design works while the spa is in use—just toss one in and let it float Reusable and easy to clean—simply rinse and reuse until saturated or discolored Compatible with chlorine, bromine, mineral, and saltwater systems Ideal for spas, hot tubs, and small pools; one sponge per 500 gallons is recommended Made in the USA using non-toxic, spa-safe materials for peace of mind

Hot Tub Things® Bromine Tablets are formulated to sanitize and disinfect hot tub and spa water effectively. Each tablet dissolves slowly, providing consistent sanitization that helps prevent bacteria and algae growth. Bromine is less harsh on skin and eyes than chlorine and maintains stable disinfection even at higher water temperatures. These tablets are designed for use in spa floaters or automatic feeders, ensuring easy and convenient application. Using bromine reduces strong chemical odors, leaving water feeling fresher and more comfortable. A 5 lb container provides a long-lasting supply, making it a cost-effective choice for regular spa maintenance.

  4‑in‑1 dip‑and‑read test strips instantly measure free chlorine/bromine, pH, total alkalinity, and total hardness. Clear and stable color pads prevent misreads—no waiting time for results. Packaged in a waterproof PopTop bottle with molded desiccant liner to preserve strip integrity. Included languages: English, French, and Spanish instructions make usage simple. Ideal for regular spa or pool maintenance—just dip for 2 seconds, shake, and read. Compact bottle with 50‑strip supply ensures long-term water monitoring. Helps prevent corrosion, scale, foam, and imbalance with consistent water testing.

  4‑in‑1 test strips that measure free chlorine/bromine, pH, total alkalinity, and calcium hardness. Provides fast and accurate results—dip for 2 seconds, shake off excess, and read immediately. Pop‑top bottle protects strips from moisture and UV light. Ideal for quick home spa checks before use or during routine maintenance. Compatible with chlorine, bromine, ozone, and biguanide systems—versatile for all spa sanitizers. Helps ensure proper water balance to prevent corrosion, scale, and foam buildup. Convenient 50‑strip supply for long‑term monitoring. Recommended twice‑weekly testing supports clear, safe, relaxing spa water.

Gentle, foam-free formula engineered for spa pillows and headrests—lifts oils, dirt, and makeup without harsh chemicals that can crack surfaces or cause excessive foam. Alcohol-free to preserve the natural rubber and vinyl surfaces of pillows, preventing premature drying and cracking. Ideal for use on spa and swim spa covers, pool furniture, patio cushions, and more—one product across all accessory surfaces. Quick and easy application: spray onto cloth or surface, wipe clean, and rinse—it’s ready to use again immediately without disrupting your spa’s foam balance. Enhances water clarity and comfort by eliminating residues that can interact with sanitizers and contribute to water foaming. Comes in a convenient 32 fl oz bottle—enough for seasonal cleaning and maintenance of multiple accessories.

Complete floating water care system that combines pre-filled SmartChlor® and mineral cartridges in one easy-to-use unit. Designed for hot tubs up to 600 gallons, offering 3–4 weeks of hands-free water sanitation per cartridge. SmartChlor® Technology self-regulates to maintain a consistent chlorine level, releasing more only when needed. Uses up to 75% less chlorine than traditional systems, reducing skin and eye irritation, odors, and spa surface wear. Mineral cartridge lasts up to 4 months, contributing to softer, more luxurious water. Floating unit flips over when the SmartChlor cartridge is empty, eliminating guesswork. No daily dosing or constant testing required—ideal for vacation homes, rental spas, and busy owners. Compatible with most spa models, excluding swim spas and saltwater systems.

Includes three replacement SmartChlor® cartridges for the FROG® @ease Floating Sanitizing System Self-regulating chlorine release maintains consistent sanitation with less effort Each cartridge lasts 3–4 weeks depending on spa size and usage Uses SmartChlor® Technology, which creates a chlorine reserve for continual sanitation Works with FROG® @ease mineral cartridges to provide complete 2-in-1 water care Easy snap-in design for quick cartridge changes—no measuring or guesswork Ideal for hot tubs up to 600 gallons using the FROG® @ease floating system Reduces typical chlorine use by up to 75% while maintaining crystal clear water

Raises the pH Protects equipment from corrosion due to low pH Balances water for bather comfort

Designed for Bullfrog® Spas with the Simplicity™ control system (2019 and newer) that require XL capacity sanitation Includes one pre-filled SmartChlor® XL cartridge and one mineral cartridge for long-lasting water care XL SmartChlor® cartridge lasts up to 6 weeks—50% longer than standard cartridges Maintains crystal-clear water with self-regulating SmartChlor® Technology and no daily adjustments Works with the in-line cartridge holder built into the spa—no floating devices needed Provides complete 2-in-1 sanitation while reducing chlorine use by up to 75% Leaves water softer, with less odor and minimal skin or eye irritation Quick snap-in design makes cartridge replacement simple and mess-free

Designed as a full water-care startup bundle for new hot tub fills, this kit includes everything you need for the first two months of use. Contains 1 lb of high-quality chlorine granules as the primary sanitizer, along with 1.25 lb each of pH & alkalinity up and down granules to maintain optimal water chemistry. Includes 1 lb of oxidizing spa shock (potassium monopersulfate) to reset sanitizer and eliminate organic contaminants and odor. Features 1 pint of spa clarifier to help trap microscopic particles in the filter and maintain water clarity. Comes with 1 pint of metal remover (“Metal Out”) to sequester iron, copper, and other metals commonly found in refill water. Includes a 50‑strip test kit and a waterproof owner's guide to help you learn proper testing and dosing routines quickly. Packaged in a sturdy box from an American-made chemical line, the kit delivers trusted, professional-grade performance. Ideal for spa owners who prefer straightforward, all‑in‑one solutions to set up and maintain clean spa water with confidence. A popular pick with 244 five-star reviews, praised for its convenience and reliable startup results.

Prevents mineral buildup and waterline scale caused by calcium, magnesium, and other hard water deposits. Protects spa surfaces, plumbing, and heating elements from corrosion and costly damage. Effective against metal stains caused by dissolved iron, copper, and manganese. Ideal for use at startup (fresh fill) and as part of a weekly spa care routine. Compatible with all sanitizer types including chlorine, bromine, saltwater, and biguanide systems. Helps maintain clear, sparkling water by binding minerals before they can precipitate. Easy-pour 32 oz bottle with accurate measurement markings for hassle-free dosing. Made in the USA and trusted by spa professionals for reliable performance.

Hot Tub Things® Bromine Tablets sanitize spa and hot-tub water effectively without the harsh smell of chlorine. Each tablet dissolves slowly to provide continuous, long-lasting sanitation that kills bacteria and controls algae growth. The bromine formula remains active over a wide pH range, helping maintain consistent protection even when water balance fluctuates. Designed for use with a floating dispenser or an automatic brominator for steady sanitizer delivery. Bromine creates a softer, more comfortable water feel that’s ideal for sensitive skin and frequent spa use. The 1.5 lb container is perfect for routine maintenance and helps extend time between water changes.

Includes three extra-long SmartChlor® cartridges for Bullfrog® Spas with Simplicity™ control systems (2019+) Designed for in-line use with the FROG® @ease XL Sanitizing System—no floating system required XL cartridges provide extended sanitizing power, lasting up to 6 weeks each SmartChlor® Technology self-regulates to maintain consistent chlorine levels Reduces typical chlorine use by up to 75%, creating cleaner, softer water with less odor Works alongside the FROG® mineral cartridge to deliver full 2-in-1 water care Simple snap-in design for fast, no-mess replacements Ideal for spa owners who want longer intervals between cartridge changes

Compatible with FROG Sanitizing Systems: Don't be confused by standard test strips, only FROG Test Strips help you monitor and maintain the low free chlorine or bromine levels needed when using FROG Fresh Mineral Water; works for both swimming pools and hot tubs Support Water Balance: FROG Test Strips are specially designed to test for free chlorine or bromine levels present in FROG Fresh Mineral Water; accurately monitor and balance your water chemistry for optimal sanitization and enjoyment Comprehensive Testing Strips: Test strips measure free chlorine or bromine levels, total alkalinity, pH and hardness to help keep your pool and hot tub water in perfect condition Quick Water Test Results: Each bottle contains 50 test strips; dip FROG test strips for two seconds and view instant readings right on the bottle, ensuring easy pool and hot tub maintenance Water Care Expertise: FROG has more than 25 years of experience making water care easier & keeping pool, hot tub and swim spa water sanitized; FROG's patented Mineral Technology and prefilled cartridges create cleaner, clearer, softer water

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

Official Jacuzzi® ProClear™ Mineral Spa Sanitizer cartridge (part #2890‑185), designed to drop into your filter cap for effortless installation Uses Controlled Release Technology (CRT) to release trace amounts of silver and other minerals during shock treatments, naturally sanitizing water and reducing chlorine demand by up to 50% Works in tandem with spa oxidizers such as MPS, Trio #2 shock, or chlorine to enhance clarity and soften water feel Compatible with Jacuzzi® J‑300, J‑400, J‑500, and J‑LX hot tub models that feature removable filter cap mounts for mineral stick insertion Lasts approximately 4 months under typical weekly use—replace at that interval for consistent performance Helps maintain stable pH, prevents staining, and minimizes odor while providing a more gentle spa experience