Description
Why Use the KDF 85 & KDF 55 Combination?
Most water supplies contain a complex mix of pollutants. While single-media filters often miss certain contaminants, this dual-media approach ensures professional-grade results by combining two specialized copper-zinc alloys.
KDF 85: The Well Water Specialist (2 lbs)
Engineered specifically for problematic well water, KDF 85 uses an oxidation/reduction (redox) reaction to neutralize inorganic contaminants.
- Sulfur & Iron: Eliminates hydrogen sulfide gas and ferrous iron.
- Microbial Control: Naturally inhibits the growth of bacteria, algae, and fungi (bacteriostatic).
- System Protection: Prevents scale buildup and protects expensive GAC beds and ion exchange resins from fouling.
KDF 55: The Chlorine & Heavy Metal Expert (2 lbs)
KDF 55 is the industry leader for treating municipal (city) water. It works electrochemically to transform dissolved chlorine gas into harmless, water-soluble chloride ions.
- Chlorine Removal: Removes up to 99% of free chlorine, significantly outperforming standard carbon filters.
- Heavy Metal Extraction: Highly effective at reducing water-soluble lead, mercury, nickel, and chromium.
- Carbon Life Extender: When used as a pre-treatment, KDF 55 can extend the life of Granular Activated Carbon (GAC) by up to 15 times.
Technical Specifications & Installation
- Media Type: High-purity Copper-Zinc Granules (Patented Redox Media).
- Eco-Friendly: 100% recyclable and contains no chemical additives.
- Application: Perfect for custom-filled cartridges, Big Blue housings, or layered media beds in whole-house tanks.
- Efficiency: High-flux rates allow for compact system designs without sacrificing water pressure.








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