🌊 Product Overview
The LiquaGen 2.5” x 20” Cation Resin Filter Cartridge is a high-efficiency water softening solution designed to tackle hard water problems in residential and light commercial systems. Using premium 10% cross-link strong acid cation exchange resin, this refillable cartridge reduces calcium and magnesium—the main causes of limescale buildup—by exchanging them for sodium (Na⁺) or hydrogen (H⁺) ions.
With double the length of a standard 10” cartridge, the 20” version offers higher grain capacity, longer service life, and fewer changeouts, making it ideal for households with higher water usage or extended filtration needs.
✨ Key Benefits & Features
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💧 Effective Hardness Reduction – Removes calcium and magnesium ions to stop scale formation in pipes, fixtures, and appliances.
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⚡ High Grain Capacity – Extended performance with up to 1,500 grains per inch (~1,500 × 20 = 3,000 grains capacity) for longer use before replacement.
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🔄 Refillable Design – Reusable cartridge housing allows for easy resin replacement, reducing costs over time.
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🔧 Slim 20” Fit – Designed to fit all standard 20” slim filter housings and many reverse osmosis setups.
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🚿 Appliance Protection – Protects dishwashers, washing machines, water heaters, and coffee makers from scale damage.
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🌡️ Reliable Operation – Works under real-world flow rates (2.5–5 GPM) with a temperature range of 40°F–100°F.
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💪 Durable Build – Constructed with polypropylene end caps, polyolefin wraps, and polyethylene netting for long-lasting performance.
📋 Technical Specifications
| Parameter | Details |
|---|---|
| Model | LiquaGen 2.5” x 20” Cation Resin Filter |
| Size | 2.5” x 20” (Slim Cartridge) |
| Media Type | 10% Cross-Link Strong Acid Cation Resin |
| Grain Capacity | ~3,000 grains (depending on water hardness) |
| Flow Rate | 2.5–5 GPM |
| Cartridge Type | Refillable / Reusable |
| Operating Temperature | 40°F – 100°F |
| Max Pressure | 125 PSI (8.6 bar) |
| End Caps | Polypropylene |
| Wraps | Polyolefin |
| Netting | Polyethylene |
| Housing Compatibility | Fits all standard 2.5" x 20” slim housings |
🏠 Applications
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🚿 Whole-House Pre-Filtration – Protects plumbing and fixtures from mineral scaling.
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🛁 Bathrooms – Prevents stains and buildup on shower glass, tiles, and faucets.
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🍳 Kitchens – Keeps sinks, coffee machines, and dishwashers free from scale.
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🔥 Water Heaters & Boilers – Reduces scale deposits for greater efficiency and longer service life.
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🧺 Laundry Machines – Softens wash water to improve fabric care and extend washer lifespan.
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✔️ Light Commercial – Ideal for cafes, restaurants, and labs requiring hardness reduction.
💙 Why Choose LiquaGen?
The LiquaGen 2.5” x 20” Cation Resin Filter Cartridge provides a long-lasting, refillable solution to hard water problems. With its extended grain capacity, durable design, and compatibility with standard 20” housings, it ensures dependable hardness reduction while protecting plumbing and appliances from costly scale damage.