🌊 Product Overview
The LiquaGen 4.5” x 20” Strong Base Anion Filter Cartridge (Nitrate Reduction) is the ultimate whole-house solution for reducing nitrates in water supplies. Using advanced strong base anion exchange resin, this cartridge effectively lowers nitrate levels even in the presence of sulfates and competing ions, ensuring safer water for your entire household.
With its Big Blue 20” format, this cartridge delivers maximum media capacity, higher flow rates, and the longest filter life in the range—making it ideal for large households and high water usage homes, especially in rural or agricultural regions where nitrate contamination is common.
✨ Key Benefits & Features
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👶 Protects Infants & Families – Reduces nitrates that can cause Blue Baby Syndrome, providing safer water for newborns.
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🐟 Aquarium & Pet Safety – Prevents nitrate toxicity in fish tanks and aquatic habitats.
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💧 High-Capacity Nitrate Reduction – Extended media bed for greater nitrate removal efficiency.
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🛡️ Whole-House Protection – Supplies nitrate-free water for drinking, cooking, bathing, and laundry.
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🔧 Big Blue 20” Fit – Compatible with all standard 4.5” x 20” whole-house filter housings.
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⏱️ Longest Service Life – Fewer replacements thanks to its larger media volume.
📋 Technical Specifications
| Parameter | Details |
|---|---|
| Model | LiquaGen 4.5” x 20” Strong Base Anion Cartridge (Nitrate Reduction) |
| Size | 4.5” x 20” (Big Blue Cartridge) |
| Media Type | Strong Base Anion Exchange Resin |
| Primary Functions | Reduces nitrates selectively, even with sulfates present |
| Capacity | ~7,500–10,000 gallons (varies by influent nitrate levels) |
| Recommended Lifespan | 9–12 months |
| Max Pressure | 90 PSI (6.2 bar) |
| Operating Temp. | 40–100°F (4.4–37°C) |
| Housing Compatibility | Fits all standard 4.5” x 20” Big Blue housings |
🏠 Applications
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🚰 Whole-House Filtration – Delivers nitrate-free water to every tap in the home.
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🍼 Infant Health Protection – Critical for families with newborns and young children.
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🚿 Bathrooms & Laundry – Ensures safer bathing and prevents nitrate buildup in laundry.
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🍳 Kitchen Use – Provides cleaner, safer water for cooking, beverages, and ice.
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🏠 Well Water Treatment – Essential for rural and agricultural homes with high nitrate levels.
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🐠 Aquarium Safety – Maintains healthy aquatic environments by reducing nitrate toxicity.
💙 Why Choose LiquaGen?
The LiquaGen 4.5” x 20” Strong Base Anion Filter Cartridge provides the highest capacity and most effective nitrate reduction in our filter family. Designed for large households and heavy water demand, it ensures your family, pets, and appliances are protected from the risks of nitrate contamination