Iron water filter
Effectively removes iron, manganese, and hydrogen sulfide! (rotten egg smell) from municipal or well water
One of the most common contaminants of well and municipal water systems is iron. Iron contamination can be found in two general forms, ferric iron which consists of particles of solid iron (rust) that can be removed by mechanical water filters (sediment filters), and ferrous or dissolved iron which must be removed from water by special iron water filters. In addition to causing an unpleasant metallic taste, iron in drinking and household water can cause unsightly staining of plumbing fixtures and laundry.
Unfortunately, most whole house water filter systems designed for the removal of iron from water are relatively expensive and require significant user-monitoring and maintenance. We set-out in 2002 to find an economical iron water filter solution that was easy and cost-effective to purchase and operate on an ongoing basis. After an exhaustive search, we found a specialty iron reduction filter cartridge designed to remove light to moderate ferrous iron levels from water. This filter became the backbone of our WH5 whole house iron reduction water filter system. This filter cartridge contains manganese greensand, the same media employed in many expensive iron water filtration systems, however, it is packaged in a standard 20 inch filter housing that any homeowner can manage and maintain. When the dissolved iron comes in contact with the manganese greensand media, it is rapidly oxidized, turning the ferrous iron into a ferric form which is then mechanically filtered and removed from the water. When the filter has reached the end of its service life, it is simply replaced with a new cartridge - there is no media to regenerate, no backwashing, no chemicals to worry about, etc.
Moreover, our whole house iron reduction water filter also rapidly oxidizes other common well water contaminants including manganese and hydrogen sulfide (hydrogen sulphide) which are often found in regions with elevated iron levels. Hydrogen sulfide is typically responsible for the rotten egg or sulfur (sulphur) smell often found in well water. In most cases, this filter makes an excellent choice for removing the rotten egg odor/smell from well water.
This product is generally recommended where low to moderate dissolved (ferrous) iron, manganese, or hydrogen sulfide contamination is present. For best results, the filter should not be used where the dissolved iron level exceeds 3 ppm, although satisfactory results can be achieved up to 5 ppm iron (or about 2 ppm hydrogen sulfide) in most conditions and at lower water flow rates. Contaminantion rates above these levels will result in unsatisfactory removal rates and shortened filter life expectancy. In many water supplies, a combination of iron, manganese, and hydrogen sulfide may be present. If this is the case in your application, you must consider the "iron equivallent" contaminant level when determining if this filter will work effectively in your situation (see below).
This filter will also effectively remove ferric iron through simple mechanical filtration, although a sediment filter may be a more cost effective choice.
Best contaminant removal rates are achieved where the pH is 7.0 or higher, although satisfactory contaminant removal can generally be achieved at lower pH levels (6.7 to 6.9) under most conditions. This filter will not be effective where the pH level is less than 6.5.
The life expectancy of the filter depends on the amount of water you use on a daily basis, and the contamination level ("iron equivallent"). You can get a good idea of how long a filter will last in your case by using the chart below.
Calculating Iron Equivallent: (Iron level) + (2 x Manganese level) + (3 x Hydrogen sulfide level)
If your level of Hydrogen sulfide is unknown (it is hard to accurately test for) and you have a noticeable "rotten egg" odor, assume a Hydrogen sulfide level of 0.5 ppm. If the rotten egg odor is severe, assume a level of 1.0 ppm.
Approximate Life of Filter Cartridge
Recommended Pre-filter: While not required, the placement of a basic sediment pre-filter system in front of the iron / hydrogen sulfide reduction filter system will extend the life of the iron reduction filter by ensuring that sediments and oxidized iron particles (ferric iron) cannot clog the filter before it has reached its maximum service capacity. Ask us about our sediment filters!
The WH5 iron reduction filter system is very versatile, and at just over $200 including a heavy-duty "Big Blue" filter housing, filter (spanner) wrench, and one iron water filter cartridge, it is also very cost effective.
For more information, please call our water treatment experts toll free at 1-866-376-2690