Crystal Quest Whole House Nitrate Removal Water Filter
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Concerned about nitrates in your drinking water? Because nitrates have no taste, odor, or color, many households—especially those using well water or located near agricultural areas—may not realize contamination is present until water testing reveals elevated levels. The Crystal Quest Whole House Nitrate Removal Water Filter is engineered to help reduce nitrate contamination at the point of entry, treating water before it reaches your faucets, showers, appliances, and plumbing system.Â
Designed for high-capacity residential performance, this advanced whole home nitrate removal system uses specialized nitrate-selective ion exchange media to target nitrate contamination while maintaining strong household water flow. A multi-stage treatment process also includes sediment pre-filtration to help protect system performance and carbon post-filtration to improve overall water taste, clarity, and chemical reduction.
This system is especially ideal for homes with well water, rural properties, agricultural water exposure, or families seeking whole-home nitrate treatment instead of limited point-of-use filtration.
Why People Choose It
• Whole house nitrate water filtration — treats water before it enters your home for full-home protection
• Nitrate-selective ion exchange media — engineered specifically to help reduce nitrate contamination
• Ideal for well water and agricultural areas — designed for homes with elevated groundwater nitrate concerns
• Multi-stage filtration design — sediment pre-filtration, nitrate treatment, and carbon polishing for improved water quality
• Cleaner water for drinking, cooking, and baby formula — better water where it matters most
• High-capacity whole-home performance — built for continuous residential water use
• Automatic backwash functionality — helps support long-term filtration performance with reduced maintenance
• Strong residential flow rates — designed to keep up with daily household water demand
• Customizable upgrade options — compatible with UV sterilization, water softeners, carbon filtration, and leak protection systems
A nitrate water filtration system may be a smart solution if:
Nitrates (NO3) are one of the most common groundwater contaminants, especially in homes using well water, rural properties, agricultural regions, or areas near septic systems and livestock operations. Because nitrates are colorless, odorless, and tasteless, contamination often goes unnoticed without professional water testing. Unlike bacteria or some other contaminants, boiling water does not remove nitrates—it can actually increase nitrate concentration as water evaporates.
High nitrate levels in drinking water are especially concerning for households with infants. The EPA has established a Maximum Contaminant Level (MCL) of 10 mg/L (ppm) for nitrate in drinking water.
• 20" sediment pre-filtration — helps remove dirt, sand, silt, rust, and sediment that can reduce system efficiency
• Nitrate-selective filtration media — engineered to help reduce nitrate contamination in whole-home water supplies
• 20" carbon post-filtration — helps reduce VOCs, pesticides, industrial solvents, and improves water taste and clarity
• Automatic regeneration system — designed for long-term nitrate reduction performance with scheduled maintenance cycles
• SMART multimedia filtration — helps reduce chlorine, chloramine, heavy metals, herbicides, pesticides, pharmaceutical by-products, and additional chemical contaminants
• Water softener integration — recommended if hardness minerals like calcium and magnesium are present
• UV water sterilizer — added protection against bacteria, viruses, algae, and protozoa
• Leak detector valve — automatically shuts off water to help prevent flooding
• Metered control valve — regenerates based on actual water usage instead of time intervals
• Oxidation system upgrade — ozone-assisted water quality enhancement for advanced treatment
*If your system will be installed in high-humidity or salt-exposed environments, a fiberglass tank may be recommended over stainless steel for improved long-term durability.
| Filter Media Volume | 1.5 cubic feet | 2.0 cubic feet |
| Capacity (gallons) | 1,000,000 | 1,500,000 |
| Service Flow (GPM) | 9-11 | 10-13 |
| Tank Dimensions | 10" x 54" | 12" x 52" |
| Material | Stainless Steel or Fiberglass | Stainless Steel or Fiberglass |
| Backwash | Automatic | Automatic |
| Brine Tank Dimensions* | 18" x 33" | 18" x 33" |
| Grain Capacity* | 48,000 | 60,000 |
*When you have a softener selected
| Product Name | SKU |
|---|---|
| Nitrate Removal Media | CQE-RM-05007 |
| SMART Multimedia | CQE-RM-05017 |
| Eaglesorb Water Softeners | CQE-RM-05002 |
| Product Name | SKU |
|---|---|
| Sediment Cartridge (2-7/8"x20") | CQE-RC-04015 |
| Carbon Block Filter Cartridge (2-7/8"x20") |
CQE-RC-04014 |
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Nitrate III Product Data Sheet
Nitrate Removal UV Softener Schematic
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CRYSTAL QUEST® warrants your CRYSTAL QUEST® Water Filter Systems for one year from the date of purchase (except filter cartridges and UV bulbs ) against all defects in materials and workmanship, when used in compliance with the Use and Care Manual. CRYSTAL QUEST® disclaims all implied warranties, including without limitation, warranties of merchantability and fitness for a particular purpose. If for any reason the product proves to be defective within one year from the date of purchase the customer would be responsible for all shipping charges and the unit should be shipped to CRYSTAL QUEST®. The entire system will be repaired or replaced without charge for the repairs or replacement. Please package your CRYSTAL QUEST® unit carefully to avoid damage in transit. This warranty gives you specific legal rights, and you may have other legal rights which vary from state to state. CRYSTAL QUEST® assumes no responsibility for incidental or consequential damages; for damages arising out of the misuse of the product or the use of any unauthorized attachment. Some states do not allow the exclusion or limitation of implied warranties or incidental or consequential damages, so the above limitations or exclusion may not apply to you.
*Refunds of Crystal Quest products will be issued in the form of a Crystal Quest gift card.
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Orders Processing: Our chosen couriers, including USPS, UPS, and FedEx, consistently facilitate the delivery of your items from our warehouse. Please note that processing times may vary depending on the brand. All orders are processed and shipped within 1 - 5 business days.
Order Confirmation: As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your card for the purchase.
30 Day Returns: If your order arrives damaged, we will exchange you a replacement. For more details, visit our Refund Policy Page.
View our Full Brand Warranty Page Here