Spa Frog Serene Cartridge Refill Kit | 01-14-3856
Frog
SKU: 1/14/3856
Spa Frog Serene Cartridge Refill Kit | 01‑14‑3856
The official **Spa Frog Serene Cartridge Refill Kit** from King Technology includes **1 blue mineral cartridge** and **3 yellow bromine cartridges**, designed for use with the Spa Frog Serene Floating or In-line systems found in many hot tubs.
Key Features:
- Mineral cartridge lasts up to 4 months—softens water and reduces bromine usage up to 50%
- Three bromine cartridges (150 g each) provide 2–4 weeks of sanitizer per cartridge
- Prefilled cartridges eliminate handling chemicals manually
- Compatible with systems in Marquis, Caldera, Emerald, Leisure Bay, Saratoga, Morgan, and other spa brands
- Easy replacement—snap into the reusable Serene Floating Holder or inline feeder
Technical Specifications:
- Part Number / SKU: 01‑14‑3856
- Includes: 1 mineral cartridge (≈4 months), 3 bromine cartridges (each ≈2–4 weeks)
- Weight: approx. 0.75–1.0 lb
- UPC: 722906038511
Performance & Benefits:
- Reduces bromine use—delivers “Fresh Mineral Water®” and soft spa feel
- Sets sanitizer release to low-level bromine (minimized odor)
- Simplifies spa care—just replace cartridge monthly
- Helps maintain crystal-clear, low-maintenance spa water
Usage Tip: Replace the mineral cartridge every 4 months (or when refilling your spa), and replace a bromine cartridge every 2–4 weeks depending on spa usage. Ensure your filter is clean and sanitizer levels are maintained for best performance.
SKU: 01-14-3856
Questions about returns? View our return policy.
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- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
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- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
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