The Crystal Quest Nitrate Whole House Water Filter is a point-of-entry water treatment system designed to reduce nitrate before water reaches household fixtures. It is available in 1.5 cubic foot and 2.0 cubic foot media-volume options, with stainless steel or fiberglass tank structures. Configuration choices include standalone nitrate filtration, nitrate filtration with SMART Filter, nitrate filtration with softener, or nitrate filtration with both SMART Filter and softening. The system uses nitrate-reduction media in the main treatment tank with brine regeneration / conditioning, along with sediment pre-filtration and carbon post-filtration described in the source materials. With listed service flow rates of 9-11 GPM for the 1.5 cubic foot system and 10-13 GPM for the 2.0 cubic foot system, this whole house nitrate water filter should be selected based on water testing, nitrate level, flow demand, regeneration planning, tank material preference, and whether added filtration or softening is needed.
This Crystal Quest system is designed for point-of-entry treatment where nitrate reduction is the primary goal. Nitrate often enters groundwater from septic systems, feedlots, and agricultural fertilizer runoff, so water testing should guide system selection and maintenance planning.
Water flows through nitrate-reduction media in the main treatment tank with brine regeneration / conditioning. Source materials note that regeneration timing may vary by nitrate level, so ongoing maintenance should be planned around the selected configuration and actual influent water conditions.
The standalone system focuses on nitrate reduction. Buyers can add SMART Filter support for broader filtration, choose a softener configuration for hard-water treatment, or select a combined SMART Filter and softener setup when both are needed.
The system is available in fiberglass or stainless steel tank structures. Confirm the best tank material for the installation environment, water conditions, and maintenance preferences before ordering.
This whole-house nitrate filter is built for homes where nitrate reduction is needed at the main water line. It is best selected after nitrate testing, with media size, flow rate, regeneration needs, tank material, and optional softener or SMART Filter choices matched to the property.
Choose standalone nitrate filtration, add SMART Filter support, add softening, or combine SMART Filter support with a softener based on water conditions. Optional accessories may support leak detection, UV treatment, pressure-related protection, or oxidation needs where available.
Need help choosing a nitrate whole house filter?
TrueStead Supply can help you compare nitrate test results, service flow, tank material, and SMART / multistage or softener options.
✓ 1.5 or 2.0 cubic foot media sizes
✓ Fiberglass or stainless steel tank choices
✓ Standalone, SMART Filter, and softener configurations
| Brand | Crystal Quest |
| Product Type | Nitrate whole house water filtration |
| Primary Treatment | Nitrate reduction |
| Configuration Options | Standalone, with SMART Filter, with softener, or with SMART Filter and softener |
| Tank Structure Options | Fiberglass or stainless steel |
| Filter Media Volume | 1.5 cubic feet or 2.0 cubic feet |
| Capacity Options | 1,000,000 gallons for 1.5 cubic feet; 1,500,000 gallons for 2.0 cubic feet |
| Service Flow | 9-11 GPM for 1.5 cubic feet; 10-13 GPM for 2.0 cubic feet |
| Tank Dimensions | 10" × 54" for 1.5 cubic feet; 12" × 52" for 2.0 cubic feet |
| Backwash | Automatic |
| Softener Brine Tank Dimensions | 18" × 33" when softener is selected |
| Softener Grain Capacity | 48,000 grains for 1.5 cubic feet; 60,000 grains for 2.0 cubic feet when softener is selected |
| Pre-Filtration | Sediment pre-filtration described in source materials; confirm included filter size for the selected configuration |
| Post-Filtration | Carbon post-filtration described in source materials; supports additional filtration for certain listed contaminants when present |
| Nitrate Treatment Stage | Nitrate-reduction media in the main treatment tank with brine regeneration / conditioning |
| Regeneration Guidance | Confirm regeneration schedule and setup requirements for the selected configuration and source-water nitrate level |
| Optional SMART Filter | Optional broader filtration support may include SMART media depending on selected configuration |
| Tank Material Note | Confirm the best tank material for the installation environment, water conditions, and maintenance preferences before ordering |
| Optional Add-Ons | 12 GPM UV sterilizer, leak detector valve, vacuum breaker, metered valve, and oxidation system options where available |
| Water Testing Note | Review nitrate test results, nitrate level, flow demand, regeneration requirements, tank material, and installation conditions before final selection. |
| Installation Guidance | Installation should be performed by a qualified plumber and follow local plumbing codes. |
| Media Performance Note | Nitrate reduction performance and regeneration needs depend on source-water nitrate level, water chemistry, flow rate, usage, and maintenance. |
Installation and Operation Guide
Guaranteed Performance
