Hot Tub Silver Ion Cartridge - Mineral Sticks for Hot Springs Spa, Spa Silver Ion Ag+ Cartridge, Keep Water Crystal-Clear for 4 Months - 3 Pack
Three grey silver ion mineral sanitizer cartridges for Hot Springs spa hot tubs.
BlueStars silver ion spa cartridge dimensions infographic showing product size and included instruction manual.
Infographic showing easy installation steps for a spa mineral sanitizer cartridge inside a pool filter.
Hands installing a grey hot tub mineral stick filter into a spa filter cartridge.
Three silver ion hot tub mineral sanitizer sticks for cleaner spa water and reduced skin irritation.
BlueStars natural mineral purification sticks for hot tub water sanitization and impurity reduction.
Before and after comparison of hot tub water clarity and quality improvement.
Infographic showing 4-type mineral ball filtration system with magnesium, silver, ceramic, and tourmaline balls.
Hand installing a grey hot tub mineral cartridge into a spa filter system.
Three grey replacement shock absorbers for washing machines displayed on a BlueStars promotional background.
Three grey silver ion mineral sanitizer cartridges for Hot Springs spa hot tubs.
BlueStars silver ion spa cartridge dimensions infographic showing product size and included instruction manual.
Infographic showing easy installation steps for a spa mineral sanitizer cartridge inside a pool filter.
Hands installing a grey hot tub mineral stick filter into a spa filter cartridge.
Three silver ion hot tub mineral sanitizer sticks for cleaner spa water and reduced skin irritation.
BlueStars natural mineral purification sticks for hot tub water sanitization and impurity reduction.
Before and after comparison of hot tub water clarity and quality improvement.
Infographic showing 4-type mineral ball filtration system with magnesium, silver, ceramic, and tourmaline balls.
Hand installing a grey hot tub mineral cartridge into a spa filter system.
Three grey replacement shock absorbers for washing machines displayed on a BlueStars promotional background.
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Hot Tub Silver Ion Cartridge - Mineral Sticks for Hot Springs Spa, Spa Silver Ion Ag+ Cartridge, Keep Water Crystal-Clear for 4 Months - 3 Pack

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Hot Tub Silver Ion Cartridge - Mineral Sticks for Hot Springs Spa, Spa Silver Ion Ag+ Cartridge, Freshwater Mineral Sanitizer Keep Water Crystal-Clear for 4 Months

Key Features

  • Utilizes silver ion technology to inhibit bacterial growth in spa water.
  • Consistent mineral release provides sanitization for up to 4 months per cartridge.
  • Helps maintain water clarity and reduces the required concentration of primary sanitizers like chlorine or bromine.
  • Package includes 3 individual mineral cartridges.

Replaces / Cross-Reference Part Numbers

  • 71325
  • 80010
  • W20750

Compatibility & Fitment

  • Designed for use with Hot Spring spas and compatible systems.
  • Fits inside the spa filter standpipe.
  • Not intended for use with saltwater chlorine generator systems.
  • Compatible with spas equipped with standard or high-performance filtration systems.

When to Replace

  • Replace the cartridge every 4 months to ensure continuous mineral sanitization.
  • Replace if the spa has been drained and refilled.
  • Replace if water quality begins to degrade despite proper maintenance routines.

Installation Tips

  • Ensure the spa is powered off before accessing the filter compartment.
  • Remove the filter cap and locate the filter standpipe.
  • Insert the mineral cartridge into the center of the filter standpipe.
  • Do not force the cartridge; it should slide in securely.
  • Ensure the filter is properly seated after installation.
  • Run the spa pump for several minutes after installation to ensure proper water circulation through the cartridge.

FAQ

This cartridge is designed for use in Hot Spring Spas, Tiger River Spas, Limelight Hot Tubs, and Solana Spas that utilize an in-filter mineral system. It is compatible with any spa model that features a dedicated housing for a mineral stick within the filter standpipe.
For optimal water quality, replace the cartridge every four months. Even if the spa is used infrequently, the mineral output diminishes over time, so it is best to stick to the four-month replacement schedule to maintain effective sanitation.
The silver ions act as a natural antimicrobial agent that inhibits bacterial growth in the water. By using this cartridge, you can significantly reduce the amount of chlorine or bromine required to keep your spa water clear and odor-free, leading to a more comfortable soaking experience with less chemical irritation.
Installation is straightforward. Remove your filter cap, locate the filter standpipe, and insert the cartridge directly into the center of the filter core. Ensure it is seated firmly so that water flows through the cartridge as the pump circulates. No special tools are required.
Yes, the silver ion cartridge is a supplemental sanitizing system and does not replace the need for a primary sanitizer. You must still maintain a low level of chlorine or bromine (typically 0.5 to 1.0 ppm) to ensure the water remains fully sanitized and safe for use.
If water clarity issues persist, verify that your filter cartridges are clean and not clogged, as restricted water flow prevents the minerals from circulating effectively. Additionally, check your pH and alkalinity levels, as imbalanced water chemistry can prevent the silver ions from working efficiently.