







The LiquaGen 4.5” x 10” Phosphate Crystal Filter Cartridge is specially designed for whole-house protection against hard water. Using phosphate crystals, this refillable cartridge helps reduce scale buildup, protect plumbing from corrosion, and extend the life of household appliances. Perfect for homes dealing with hard water, it provides a simple and reliable solution for cleaner pipes, clearer water flow, and longer-lasting performance in your water system.
✨ Key Benefits & Features
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💧 Scale Reduction – Inhibits limescale buildup on pipes, faucets, and fixtures.
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🛡️ Corrosion Protection – Helps protect plumbing metals and appliances from acidic water damage.
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🔄 Refillable Cartridge – Long-term value with replaceable phosphate media.
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🏠 Whole-House Coverage – Designed for use in all standard 10” Big Blue filter housings.
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🚿 Extended Appliance Life – Protects water heaters, dishwashers, laundry machines, and more.
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🕒 Reliable Performance – Replace every 4–6 months (up to 30,000 gallons depending on water quality).
📊 Technical Specifications
Parameter | Details |
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Cartridge Size | 4.5” x 10” |
Media Type | Phosphate crystals |
Cartridge Type | Refillable, reusable |
Capacity | Up to 30,000 gallons |
Change Frequency | Every 4–6 months (varies by usage) |
Housing Compatibility | Fits all standard 4.5" x 10” Big Blue housings |
Primary Functions | Scale prevention, corrosion control |
🏠 Applications
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🚿 Whole-House Filtration – Protects your home’s plumbing from limescale deposits.
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🛁 Bathrooms & Showers – Reduces white stains and buildup on tiles, glass, and fixtures.
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🍳 Kitchens – Prevents mineral spots and scale in sinks, faucets, and appliances.
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🔥 Water Heaters & Boilers – Keeps heating elements efficient and free from heavy deposits.
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🧺 Laundry Appliances – Protects washing machines and improves fabric care.
💙 Why Choose LiquaGen?
LiquaGen’s phosphate crystal filters are engineered to deliver dependable protection against scale and corrosion, giving homeowners peace of mind and long-lasting water system performance. With easy installation, a refillable design, and compatibility with standard Big Blue housings, this filter provides cost-effective, whole-house scale prevention. At LiquaGen, we make sure your family and appliances stay protected