Whole House Filters

How do they work?

   A water filter removes impurities by lowering contamination of water using a fine physical barrier, such as a whole house filter.  The clean, filtered, water enters your plumbing system. You no longer will have to worry about sediment building up in your water heater. No more worrying about scale building up on your plumbing fixtures or even the walls around your tub.

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Sediment (Pre) Filters

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Importance of Sediment Filters

   A Sediment Filter is typically installed between your pressure tank and softener.  It is designed to collect the particles in the water that get past your well. The makes it so there is less particles for the softener to filter, helping to protect the system.

Types and Sizes

   Pleated Filters: These are thin, pleated filters that trap contaminants on their surface. Once the surface is filled, the filter is replaced. Have a larger surface area compared to a string filter.


   String (Woven) Filters: These are the thick-walled common wound string or spun or blown cartridges that trap particles of larger size on the surface and smaller particles under the surface down to the center core. They are best when a variety of particle sizes are being filtered.

Carbon (post) Filters

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What is Carbon Water Filtration?

   Carbon filtering is a method of filtering that uses a bed of activated carbon to remove contaminants and impurities using chemical adsorption. Each particle, or granule of carbon provides a large surface area, or pore structure allowing contaminants the maximum possible exposure to the active sites within the filter media. 


   Activated Carbon works via a process called adsorption. Where pollutant molecules in the water are trapped inside the pore structure of the carbon substrate. The particle size will be used as part of the filter description. The efficiency of a carbon filter is also based upon the flow rate regulation. When the water is allowed to flow through the filter at a slower rate, the contaminants are exposed to the filter media for a longer amount of time.

Reasons to use a Carbon Filter

  • Improve taste
  • Remove Chlorine
  • Remove odor
  • Remove organic chemicals

Granular Activated Carbon Filtration (GAC)

   Granular  Activated Carbon (GAC) is a proven option to remove certain chemicals,  particularly organic chemicals, from water.  GAC filters also can be used to remove  chemicals that give objectionable odors or tastes to water such as hydrogen  sulfide (rotten eggs odor) or chlorine. 

However,  other chemicals, like iron and nitrate, are not attracted to the carbon and are  not removed and another type of filter, such as reverse osmosis (RO) or green  sand may be needed.  RO filters will also  remove certain organic chemicals. This information  only addresses GAC  filters. 

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