Under Sink Nitrate Water Filter System Triple Cartridge
Under Sink Nitrate Water Filter System Triple Cartridge

Under Sink Nitrate Water Filter System Triple Cartridge

Under Sink Nitrate Water Filter System Triple Cartridge
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Under Sink Nitrate Water Filter System - Triple Cartridge

CRYSTAL QUEST® Mega Undersink Replaceable Triple Nitrate Water Filter System is dependable and built to last for years and effectively removes NITRATE and hundreds of contaminants from water.

Water travels through 8 stages of filtration:

  • First, water travels through a solid carbon cartridge for removing volatile organic carbon compounds (VOC's, insecticides, pesticides and industrial solvents).

  • Second through a special nitrate-selective resin cartridge (Nitrate reduction is 90% to 95% and breakthrough is not affected by sulfate levels. The capacity is 5500 ppm of nitrates as CaCO3. 

  • Then, water travels through a 6-stage/multi-stage cartridge 

  • Multi-stage cartridge provides (1-3 years/10,000 gallons) of quality safe and pure water.

  • Easy to use and install on all standard sinks.

How it works:

In stage 1, water flows through a solid carbon cartridge for removing volatile organic carbon compounds (VOC's), insecticides, pesticides and industrial solvents.

In stage 2, water flows through a special nitrate-selective resin cartridge (Nitrate reduction is 90% to 95% and breakthrough is not affected by sulfate levels. The capacity is 5500 ppm of nitrates as CaCO3. To determine capacity, first calculate the ppm of nitrates as CaCO3, then divide that number into 5500 to get the gallons. This cartridge can be regenerated using sodium chloride brine).

In stage 3,water flows through pre one-micron filter pads (1 micron equals 1/25,000th of an inch), which remove suspended particles such as silt, sediment, cyst (Giardia, Cryptosporidium), sand, rust, dirt, and other un-dissolved matter.

In stages 4 and 5, water flows through a bed of media made of a special high-purity alloy blend of two dissimilar metals - copper and zinc (KDF-55D ®, and KDF-85D ®.) KDF is a major advancement in water treatment technology that works on the electro-chemical and spontaneous-oxidation-reduction (REDOX) principles. Chlorine is instantaneously and almost inexhaustibly oxidized.

Tests on KDF/GAC cartridgse have shown 99+% chlorine removal past 20,000 gallons of water. In comparison, carbon cartridges of comparable volumes drop below 90% effectiveness after only 4,000 gallons.

Iron and hydrogen sulfide are oxidized into insoluble matter and attach to the surface of the media. Heavy metals such as lead, mercury, copper, nickel, chromium, cadmium, aluminum, andother dissolved metals are removed from the water by the electrochemical process. They are attracted to the surface of the media, much like a magnet. The media inhibits bacterial growth throughout the entire unit. In fact, it has been shown to be reduced up to 90%, eliminating the need for silver, which is commonly used in carbon-only filters (silver is considered a pesticide by the EPA and, as such, must be registered with them).

Is copper or zinc added to the water in any significant amount? On 2.3 ppm chlorinated water, <0.05 mg/l copper and only 0.46 mg/l zinc were measured. The EPA aesthetic levels are 1.0 mg/l for copper and 5.0 mg/l for zinc. Both zinc and copper are essential minerals for good health - the FDA recommends a daily intake of 15 mg of zinc and 2 mg of copper. Click here to learn more about KDF.

In stage 6, water flows through ion exchange resins, reducing heavy metals such as lead, copper, aluminum, and water hardness.

In stage 7, 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 aschlorine (99.9%), chemicals linked to cancer (THM's, benzine) 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.

Carbon is extremely porous and provides a large surface area for contaminants to collect. Carbon-only filters must also use their capacity for chlorine removal, resulting in a shortened life. They also may use a bituminous coal carbon, which is good at removing chlorine, but not as effective at removing chemicals. We use a high-grade coconut shell carbon that is most effective at removing chemicals. Coconut shell carbon provides a significantly higher volume of micro-pores than either coal, wood or lignite based carbon. As a result, it is more effective than other carbon types in removing trihalomethanes (THM's) and other chemicals from municipally supplied water. Since our REDOX media removes the chlorine before it reaches the carbon, the carbon capacity is not wasted on chlorine and is free to concentrate more effectively on organic contaminants.

In stage 8, water flows through another one-micron filtration pad for further reduction of undesirable particles. The end result is a great reduction or total elimination of a wide variety of contaminants.

Please note: When considering installation, if current under sink plumbing is hard copper tubing, the saddle valve would be used; for flex tubing, the T-valve would be required. Saddle valve is sent with order unless T-valve is specified.

Min Operating Pressure: 20 psi (pounds per sq. in.)
Max Operating Pressure: 60 psi (pounds per sq. in.)
Min Operating Temperature: 40 degrees F
Max Operating Temperature: 90 degrees F
Max Flow Rate: 0.3-0.5 gallons per minute

  • Dimensions: 15"L x 14"H (10" + 4" to change cartridge) x 5"W
  • Recommended flow rate is 0.3-0.5 or less gallon per minute
  • Weight: 16 lbs.
Reorder specific replacement water filter cartridge as noted below:

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Features Benefits
Solid carbon cartridge Removes organic carbon compounds (VOC's) like pesticides, insecticides
Nitrate selective resin Removes nitrate; can be regenerated using sodium chloride brine
Micron filter pads Removes suspended particles like silt, sand and rust
Eagle Redox Alloy Reduces iron, mercury, copper, nickel and other dissolved metals
Ion exchange resin Removes heavy metals such as lead, copper, aluminum and water hardness
Granulated Activated Carbon (GAC) Reduces chlorine, bad tastes and odors
Installs neatly under the sink Stays out of sight while saving precious kitchen counter space
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