Nitrate Countertop Water Filter System

SKU CQE-CT-00155

$172.80 SKU CQE-CT-00155

Our Nitrate Countertop Water Filter System is dependable and built to last for years.

Read more
Configuration, Triple
Color, White (Polypropylene)

  • Shopify pay
  • Apple pay
  • Google pay
  • Visa
  • Master
  • American express
Add your next filters Optional
Save 5% 2-7/8” x 9-3/4” Every 12 months $21.80per delivery
Save 5% 2-7/8" x 9-3/4" / SMART Plus Every 12 months $56.05per delivery
Save 5% 2-7/8" x 9-3/4" Every 12 months $56.05per delivery

Charged today and shipped with this order. Cancel anytime.

Nitrate Countertop Water Filter System, two white polypropylene housings on white bases with chrome faucet and diverter hose

What’s included?

Included & installation

Shipping

Free shipping on orders over $150

Residential addresses in the lower 48 US states. Excludes business addresses, commercial and industrial systems (which ship by freight), and filter media sold by the bag or cubic foot.

Order by 3:00 PM Eastern on a business day and most filters, cartridges and smaller items leave our facility that same day. Standard residential systems ship within 1 to 2 business days, and whole house, custom and specialty systems typically within 3. So far in 2026, 95% of our orders have shipped within one business day and 99% within five (based on an internal review of our order records).

Once shipped, standard delivery typically arrives in 3 days to the Southeast, Northeast and Southwest, and in 4 days to the Midwest and the West. Need it sooner? UPS 2nd Day Air and Next Day Air are available at checkout for eligible products. Systems that ship by freight can take longer and may need a delivery appointment.

30-day returns

Returns are accepted within 30 days of delivery when:

  • The item is new and unused, in its original packaging, with no damaged or missing parts.
  • You ask us for a Return Merchandise Authorization (RMA) number before you send it back.
  • You pay for return shipping. Shipping, handling and restocking fees apply.

Filter cartridges, membranes, reverse osmosis systems, custom or special orders and commercial products cannot be returned.

Lifetime support

Our team answers questions about products, orders, installation, troubleshooting and replacement parts.

Phone: 770-951-5600 or (800) 934-0051

Email: help@crystolquest.shop. We reply within 24 to 36 hours.

Live chat during business hours

Hours: Monday to Friday, 9:00 AM to 5:00 PM Eastern. We observe U.S. federal holidays.

Nitrate Countertop Water Filter System

Description

Benefits

Our Nitrate Countertop Water Filter System is dependable and built to last for years. This countertop system installs in seconds and sits on the countertop for water on demand. Quick and easy to use, stylish, convenient, and effectively removes or reduces many contaminants, including Nitrates, from your water.

  • A diverter valve switches between filtered and unfiltered water
  • Sits on the counter and easily connects to any kitchen faucet
  • White (Polypropylene) housing is BPA Free
  • Great for homes, apartments or office use.
  • Option for countertop models only: Washable Pre-filtration Filter: use with any countertop system to help remove sediment thus enabling your filter to work more efficiently

USGS map chart of predicted nitrate in shallow US groundwater, mostly under 1 mg/L with scattered hot spots above 10 mg/L


Nitrate Removal Water Filter Cartridge

 

Water travels through a Nitrate-selective media. Nitrate reduction is 90% to 95% and breakthrough is not affected by sulfate levels. The capacity is 3000 ppm (parts per million) of nitrates as CaCO3. To determine capacity, first, calculate the ppm of nitrates as CaCO3, then divide that number into 3000 to get the gallons. This cartridge can be regenerated using a sodium chloride brine.*

Important Note: The nitrate cartridge in this system requires manual salinity regeneration. The media must be recharged in order to maintain optimum performance. If the media is not regenerated, then the media will exhaust and result in a permeate of 0. The cycle of regeneration will vary based on the influent level of nitrate. The regeneration process should be done every 20 to 30 days depending on level of nitrate.

The process of regeneration involves dissolving salt in water (2-3 cups of salt for every 3-4 cups of water) stir well and soak (you may want to use something to hold the cartridge down) the cartridge for 1-2 hours, then soak the cartridge in tap water for an additional 1-2 hours, rinse with the tap running tap water and reinstall the cartridge. Regeneration is not required before its first use even if the cartridge has been unopened for a period of time.  

SMART Water Filter Cartridge

Our special house blend of 2 types of coconut-shell GAC (including Catalytic) with 2 types of Eagle Redox Alloys® (9500 & 6500) & anion exchange resin. This blend effectively reduces & removes heavy metals, chlorine & chloramine, pesticides & herbicides, pharmaceutical by-products & other inorganic substances such as petroleum byproducts. Ceramic and Tourmaline balls to enhance the water and maintain a more alkaline pH. To read about how GAC's work, click here. To read about the ERA® Oxidation/Reduction Process, click here.

Water flows through a bed of media made of a special high-purity alloy blend of two dissimilar metals - copper and zinc (ERA-6500, ERA-9500). ERA-6500 and ERA-9500 are major advancements in water treatment technology that works on the electrochemical and spontaneous-oxidation-reduction (Eagle Redox Alloy®) principles. Chlorine is instantaneously and almost inexhaustibly oxidized.

Water flows through ion exchange resins, reducing heavy metals such as lead, copper, aluminum, and water hardness.

Water flows through granulated activated carbon (GAC). GAC is universally recognized and widely used as an effective adsorbent for a wide variety of organic contaminants, such as chlorine, chemicals linked to cancer (THM's, benzene) pesticides, herbicides, insecticides, volatile organic compounds (VOC's), PCB's, MTBE's and hundreds of other chemical contaminants that may be present in water causing bad taste and odors in your drinking water.

All Crystal Quest® GAC is a mixed blend of coconut shell and catalytic GAC to address both chlorine, chloramines, and these byproducts.

Carbon Block Water Filter Cartridge

Water travels through a 5-micron solid carbon cartridge for removing or reducing volatile organic carbon compounds (VOCs), insecticides, pesticides, and industrial solvents and traps particles larger than 5 microns including sediment, silt, sand, and dirt.