


Crystal Quest Alkaline Under Sink Water Filter System
Enhance Hydration with Mineral-Rich, pH-Balanced Water
Clean, Alkaline, and Remineralized Drinking Water – Straight From Your Tap
Transform your tap water into alkaline, mineral-rich, and antioxidant-enhanced water with the Crystal Quest Alkaline Under Sink Water Filter System. This advanced 7-stage system reduces common contaminants while infusing your water with essential minerals and raising pH levels—resulting in clean, refreshing, and health-boosting hydration.
Perfect for homes, offices, and commercial kitchens, this compact under-sink system fits neatly out of sight while delivering long-lasting filtration and naturally enhanced water.
The Science of Clean Water & Your Health
Water is essential, but not all water supports health equally. Acidic or demineralized water can contribute to imbalances in the body’s pH and mineral levels, especially in individuals with high-stress lifestyles or processed diets. Studies show that alkaline water may help neutralize acid in the bloodstream, improve hydration at the cellular level, and support overall wellness. The Crystal Quest Alkaline System combines effective contaminant reduction with natural remineralization—turning ordinary tap water into mineral-balanced, antioxidant-rich hydration.
Why Choose the Crystal Quest Alkaline Under Sink Water Filter System?
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Raises Water pH – Enhances alkalinity to promote hydration and antioxidant support
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Infuses Essential Minerals – Adds calcium, magnesium, and potassium for better health and energy
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Advanced Multi-Stage Filtration – Removes chlorine, VOCs, pesticides, heavy metals, and bacteria
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Under-Sink Convenience – Space-saving design fits neatly below your sink
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Long-Lasting Filters – High-capacity filters last up to 12 months with minimal maintenance
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Eco-Friendly & Cost-Effective – Eliminates reliance on bottled alkaline water
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BPA-Free & NSF Certified – Manufactured using safe, food-grade components
Advanced 7-Stage Alkaline Filtration Process
Stage 1 – Sediment Filter
Removes large particles such as rust, sand, and silt to protect internal components and plumbing.
Stage 2 – Granular Activated Carbon (GAC) Filter
Reduces chlorine, VOCs, and chemical odors to improve taste and eliminate foul smells.
Stage 3 – Eagle Redox Alloy® (ERA®) 6500 & 9500
Removes lead, mercury, and other heavy metals. Inhibits bacterial growth within the filter.
Stage 4 – Ion Exchange Resin
Softens water and reduces hardness by removing calcium and magnesium in excess.
Stage 5 – Alkaline Mineral Cartridge
Infuses beneficial minerals including calcium, magnesium, and potassium. Raises water pH naturally to enhance hydration and support bodily functions.
Stage 6 – Carbon Block Final Polishing
Improves taste, removes remaining VOCs, and enhances clarity.
Stage 7 – Post-Filtration Polishing
Delivers crisp, fresh water with improved flavor and enhanced mineral content.
Key Benefits of the Alkaline Model
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Raises pH Levels – Helps neutralize acidity and support whole-body wellness
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Increases Essential Minerals – Adds nutrients vital for bone, muscle, and nerve function
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Supports Better Hydration – Alkaline water is absorbed more efficiently by cells
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Removes PFAS & Pharmaceuticals – Targets common chemical and medical pollutants
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Improves Taste & Odor – Delivers smoother, cleaner-tasting water
Specifications
Feature | Details |
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Filtration Technology | 7-Stage Alkaline Filtration |
Flow Rate | 0.5 – 1.0 GPM |
Pressure Range | 30–60 psi |
Filter Life | Up to 12 Months |
Dimensions | 14” H × 5” D |
Weight | 8 lbs. |
Installation | Under-Sink Direct Connection |
Certifications | BPA-Free & NSF Certified |
Easy Installation Instructions
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Turn off the cold water supply under your sink
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Attach the included T-adapter to your water line
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Connect the filter system to your cold water feed
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Secure the unit in place with mounting hardware
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Turn the water back on and flush for 5–10 minutes before use
No professional installation needed—quick setup in minutes.
Frequently Asked Questions (FAQs)
How often should I replace the filter?
The filter lasts up to 12 months, depending on usage and water quality.
Can this system remove other contaminants besides chlorine?
Yes, it also targets heavy metals, VOCs, pesticides, and PFAS.
Is it compatible with any faucet?
Yes, it connects to most standard under-sink cold water lines.
Replacement Filters & Maintenance
Replacement Cartridge | SKU |
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Sediment Cartridge | CQE-RC-04037 |
GAC Carbon Cartridge | CQE-RC-04038 |
Alkaline Mineral Cartridge | CQE-RC-04043 |
Carbon Block Post-Filter | CQE-RC-04040 |
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Filter Life: Up to 12 months
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Sealed, disposable filters for clean, no-mess replacements
Why Order from VitalFilters?
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Low Price Guarantee – Call us to beat any price: 1-800-595-1475
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Always Free Shipping – Every order, every time
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Expertly Vetted Products – We only carry the safest, highest-quality filters
Order Today for Free Shipping & Unlimited Mineral-Rich Water
Upgrade your hydration with the Crystal Quest Alkaline Under Sink Water Filter System—the easiest way to enjoy clean, balanced, and revitalizing alkaline water at home.
Drink better. Hydrate smarter. Live healthier.