FROG Serene® Mineral Cartridge for Hot Tubs

$17.53 USD
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  • Two FROG Serene Cartridges for use in FROG Serene (formerly Spa FROG) Mineral Floating System or FROG Serene In-Line System; must be used with the FROG Serene Bromine Cartridge (sold separately).
  • FROG Serene kills bacteria 2 ways with a low level of bromine - up to 50%* - plus FROG Sanitizing Minerals for water that feels more comfortable
  • Unlike chlorine, bromine slowly dissolves in hot water so it’s easier to regulate, has far less odors and is less impacted by pH swings, making sanitizing more effective
  • Each Mineral Cartridges lasts for 4 months, conditioning the water for softness, helping balance pH and absorbing acids – you get ahhmazingly Cleaner, Clearer, Softer water that’s easier to care for.
  • Prefilled Cartridges make for easy no guess, no mess, no stress replacement.
UPC852673896233 045635692299 789610246878 722906038115 789610229857
Upc852673896233 045635692299 789610246878 722906038115 789610229857
Item FormGranular
Unit Count1 Count
Item Weight4.64 ounces
ManufacturerFROG
Model Number2530
Item Type NameReplacement Cartridge
Number of Items1
Product BenefitsKills Bacteria, Maintains Clean Sanitized Water, Protects Against Skin Irritation, Reduces Chlorine Odor
Package Size NameSingle Pack
Included ComponentsCatridge only
Manufacturer Part Number2530
Global Trade Identification Number00722906038115
FROG Serene
No mess, no measuring
Floating system
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  1. Fresh Mineral Water
  2. No CYA
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  • How long do the mineral cartridges last?

    The blue mineral cartridge lasts 4 months or when draining the hot tub.

  • What are the benefits of using bromine instead of chlorine to sanitize my hot tub?

    Bromine can be an excellent alternative to chlorine for hot tubs – it is gentler on your skin, eyes and respiratory system which makes it a better option for users with sensitive skin or allergies. It also has a milder odor compared to chlorine.

  • How is FROG Serene different from traditional sanitizing methods?

    If you are tired of chlorine odors and measuring chemicals, FROG Serene is for you. FROG Serene is not just bromine – it uses minerals to create Fresh Mineral Water in your hot tub. Prefilled cartridges eliminate guessing and handling of chemicals.

  • What is Fresh Mineral Water?

    FROG’s Sanitizing Minerals and a low level of bromine make cleaner, clearer, softer water that's easier to take care of. It's sanitized water without the harshness of other products and with prefilled cartridges it's much easier too.

  • What's included in the box?

    1 FROG Serene Mineral Cartridge

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