Includes three SmartChlor® cartridges designed for use with the FROG® @ease system in Bullfrog Spas Classic models Ideal for X-Series, R-Series, S/TIL, and pre-2023 A-Series Bullfrog hot tubs Self-regulating cartridges release chlorine only when needed, reducing chlorine use by up to 75% Each cartridge lasts approximately 3–4 weeks under normal usage and automatically flips when empty Helps maintain clear, odor-free water with consistent sanitizer levels and minimal effort Replacing the cartridge is quick and tool-free—simply snap in a new one and drop it into the spa Works in conjunction with the FROG® @ease Mineral Cartridge and compatible in-line holders EPA-registered SmartChlor® formula is gentler on skin, swimsuits, and spa surfaces

Designed specifically for Bullfrog® Spas Classic Series (2013–present), including A, R, X, and STIL models Includes one mineral cartridge, one SmartChlor® cartridge, one Jump Start shock packet, and 30 @ease test strips SmartChlor technology self-regulates chlorine levels, reducing usage by up to 75% compared to traditional systems Mineral cartridge lasts up to 4 months; SmartChlor cartridge lasts 3–4 weeks with normal spa use Maintains consistent chlorine levels (0.5–1 ppm) and delivers clean, clear water with minimal effort Compatible with Bullfrog @ease cartridge holder (sold separately) for a secure, snap-in fit Monthly shock treatment recommended; @ease test strips indicate when to replace cartridges Easy-to-use kit eliminates chemical guesswork—just insert and relax

Designed specifically for Sundance 780/880/980 Series spas (2010+) and compatible with the FROG @ease floating sanitizing system. Each cartridge delivers 3–5 weeks of stabilized, time-released SmartChlor, automatically adjusting output to maintain 0.5–1.0 ppm chlorine. Works in tandem with FROG minerals to reduce total chlorine use by up to 75%, helping preserve swimwear, spa surfaces, and the environment. No daily dosing—simply insert cartridge, flip when “out,” and replace. Test water weekly and shock monthly for optimal sanitization. Includes three gray cartridges—enough sanitizer for an entire season (9–15 weeks).

Designed specifically for Sundance® 780, 880, and 980 Series spas (2010+); installs into the recessed filter holder, not floating in the water. Combines a mineral cartridge (lasting ~3–4 months) and a SmartChlor® cartridge (lasting ~3–4 weeks) to provide continuous dual‑action sanitization. SmartChlor self‑regulates free chlorine levels at 0.5–1.0 ppm, reducing overall chlorine use by up to 75% and eliminating sanitizer “yo‑yo” swings. Included Jump Start shock packet and @ease test strips simplify startup and ongoing water balance checks. Requires only weekly chemical testing and monthly non‑chlorine shocking for hassle‑free maintenance.

Three FROG® SmartChlor® cartridges designed for use in Jacuzzi® hot tubs using the @ease floating sanitizing system Compatible with J-300, J-400, J-500 (2012+), and many newer Jacuzzi series—check for holder bracket compatibility SmartChlor provides self-regulating chlorine release to consistently maintain 0.5–1.0 ppm free chlorine Reduces total chlorine usage by up to 75% and requires shock only once per month Each cartridge lasts approximately 3–4 weeks before flipping to signal “empty” Helps maintain fresh, clear, odor-free water and is gentle on skin, swimwear, and tub surfaces Replacements are easy: swap the spent cartridge and let it float for hassle-free maintenance Compatible only with FROG® mineral cartridges and @ease floating or inline holders (sold separately)

Custom-engineered for Jacuzzi® J‑300/400/500 Series, this floating system installs directly onto the main filter shell and fits tubs up to 600 gal. Utilizes FROG minerals + SmartChlor® technology to self-regulate chlorine between 0.5–1 ppm, requiring up to 75% less chlorine and avoiding sanitizer spikes or drops. Includes mineral cartridge (blue, ~4 months), SmartChlor cartridge (silver, ~3–4 weeks), Jump Start shock pouch, and @ease test strips for simple water care monitoring. Requires monthly non-chlorine shock (via included Jump Start), weekly testing, and cartridge pins adjusted per spa size. Proven by Jacuzzi® spas and backed by 60-day satisfaction promise—delivers cleaner, clearer, and softer water with minimal effort.

Non-Chlorine Shock: Shock your hot tub periodically with FROG Maintain for Hot Tubs, the recommended non-chlorine shock that pairs and optimizes all FROG hot tub sanitizing systems; single dose works for hot tubs up to 600 gallons Effective Water Maintenance: Add FROG Maintain once a month when using it in combination with the FROG @ease Sanitizing System; for FROG Serene users, add FROG Maintain to the water once a week Compatible with Hot Tub Chemicals: FROG Maintain is a monopersulfate product, and is compatible with other hot tub chemicals (except for biguinides) and water care programs Easy Hot Tub Water Treatment: FROG Maintain for Hot Tubs is prefilled in a packet; cut it open and pour in with no measuring or handling of chemicals; it dissolves quickly, eliminates organic contaminants, and delivers crystal clear hot tub water 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

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

Includes three SmartChlor® replacement cartridges for Bullfrog® Spas with Simplicity™ control systems (2019 and newer) Designed for in-line FROG® @ease Sanitizing Systems—no floating required Self-regulating SmartChlor® Technology maintains a consistent chlorine level automatically Each cartridge lasts 3–4 weeks depending on spa usage and size Works in tandem with the FROG® mineral cartridge for complete, low-maintenance sanitation Reduces chlorine use by up to 75%, leaving spa water softer and with less odor Snap-in design makes cartridge replacement quick, clean, and easy Keeps spa water clear and sanitized with minimal user 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

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

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.

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

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

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

Custom-designed cartridge holder for Sundance® 780, 880, and 980 series spas made in 2021 or later Securely holds FROG® @ease mineral and SmartChlor® cartridges in place for optimal sanitization Made of durable plastic, it clips directly onto the filter pipe without tools or adhesives Provides proper placement for the dual-cartridge system to function effectively and consistently Compatible only with spas using the FROG® @ease in-line system (not compatible with 680 series) Lightweight and compact at approximately 9.5" × 10.5" × 3.5" for easy installation and handling Easy to remove and replace cartridges as needed—SmartChlor every 3–4 weeks, mineral every 4 months OEM replacement for Sundance® part #6473-315; cartridges sold separately

Complete FROG® Serene cartridge kit includes 1 mineral cartridge and 3 bromine cartridges for easy, low-maintenance spa sanitation Provides a 4-month supply of fresh, clean spa water with significantly less odor than traditional bromine systems The mineral cartridge releases sanitizing minerals that help control bacteria and reduce the amount of bromine needed Each bromine cartridge lasts 2–4 weeks, depending on use and spa size—simply replace when empty Compatible with the FROG® Serene Floating System or inline Spa FROG® systems built into many spa models Maintains water clarity and softness while minimizing eye and skin irritation Pre-filled cartridges eliminate measuring, mess, and guesswork—just snap in and enjoy Ideal for spa owners who want reliable sanitation with less frequent chemical handling

Convenient drop-in mineral sanitizer designed to fit inside most spa filter cartridges—no additional equipment needed. Provides continuous water conditioning for up to 4 months in spas up to 600 gallons. Uses FROG’s patented mineral formula to destroy bacteria, reduce odors, and enhance water softness. Reduces chlorine or bromine use by up to 50%, minimizing skin and eye irritation and reducing chemical smell. Compatible with chlorine, bromine, and most spa shock treatments as part of a complete water care routine. Easy to install—just drop it into the center of the filter or filter well and let it go to work. Helps maintain crystal-clear water and reduces workload on the spa’s sanitizer and filter system. Ideal for hot tub owners seeking an easier, more natural approach to daily spa maintenance.

Premium pre-filled mineral cartridge designed for the FROG® Serene Floating or In-Line system, supporting hot tubs from 150 to 600 gallons. The cartridge gently releases beneficial minerals to soften skin and eyes and reduce bromine usage. Demonstrates patented dual-action sanitation by combining minerals with low-level bromine to destroy bacteria while reducing chemical demand. Lasts approximately 4 months—an ideal interval that aligns with routine spa draining and refills. Minimizes bromine use by up to 50%, cutting odors, protecting swimwear, and enhancing comfort. Simple snap-in design fits securely in the reusable green floater or in-line cartridge housing, making installation and replacement easy. Eco-friendly and recyclable cartridge helps reduce plastic waste over time. Maintains stable pH levels and crystal-clear water by balancing mineral and bromine action. Trusted by spa professionals, this cartridge makes spa maintenance virtually care-free with set-and-forget convenience.

Cartridges for Hot Tub Maintenance: FROG Serene Bromine Replacement Cartridges are designed for the FROG Serene Floating System Enhanced Sanitation with Bromine Cartridges: These cartridges sanitize the water along with FROG Sanitizing Minerals Long-Lasting Cartridge Use: Each FROG Serene Bromine Cartridge lasts 2 to 4 weeks, and when used with FROG Minerals, reduces bromine use by up to 50%*; once the cartridges are empty, you can recycle them Support Cleaner Hot Tub Water: Our FROG Serene Bromine Replacement Cartridges support cleaner and clearer water, making the hot tub water easier on skin, swimsuits and your hot tub’s surfaces 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

Specifically designed for Jacuzzi® J-200, J-300, J-400, J-LX, and J-500 series hot tubs Holds both FROG® @ease Mineral and SmartChlor® cartridges together for dual sanitization Floats conveniently in the spa water, clipping onto the filter cartridge for easy access Reduces chlorine use by up to 75% while keeping water clean, clear, and silky smooth Made of durable plastic that resists UV exposure and harsh spa chemicals No tools or adapters required—installs in seconds and works with most Jacuzzi models SmartChlor cartridge lasts 3–4 weeks; Mineral cartridge lasts up to 4 months Genuine Jacuzzi® replacement part #6473-333; cartridges sold separately