Water Filter Depot - Household Water Filters

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Home water filters are available in a variety types using a variety of filtration methods to purify your tap water. Filters help to remove excess impurities that are missed in municipal and commercial water filtration processes. The type of water filter you choose depends mainly on how much filtered water you need. The filtration method you choose depends on the sorts of impurities and/or deposits you need to remove from the water.

The most basic and least expensive water filters are portable pitchers with a water filter mounted at the top of the canister. Tap water is poured into the filter at the top of the canister and it passes through the filtering mechanism before collecting in the pitcher below. As with all water filters, the filtration cartridge needs to be replaced regularly, depending on use. Pitcher filters are generally good for filtering 20 to 50 gallons of water before they need to be replaced. Most filters use two actions for cleaning tap water. First, activated carbon filters help give the water a more pleasant odour by reducing the amount of chlorine present in the water. Exchange ion resin reduces the calcium carbonates, which has the effect of softening the water.

Pitcher-style water filters are perfect for people who want the option of having filtered water, but don’t want to install larger, more expensive systems. Another consideration for anyone thinking about a pitcher-style water filter is the capacity of the pitcher. Generally, the pitcher capacity is measured in cups of water and most pitchers have a capacity of 8 to 20 cups of water.

The next step for those wanting to take advantage of the benefits of a water filter is to add a filter to a faucet in their home, usually in the kitchen. Of course, faucet filters have the same basic benefit as pitcher filters, which is to filter your water. Faucet filters have the added benefit filtering all the water that comes out of your tap. If you want filtered water for drinking, watering plants or anything else, you can have it without repeatedly re-filling a pitcher. Many faucet filter systems let you divert tap water so you can get filtered water when you want it, but use regular tap water for things like washing dishes.

The actual water filter in a faucet filter system is usually a block-carbon filter, which allows for very fine filtration of water. Fine filtration means a faucet filter will usually produce somewhat cleaner water than a pitcher.

While the initial cost of faucet filter systems are higher than pitcher-based water filters, the per gallon or litre cost to produce filtered water can be lower because of the greater amount of water that can be filtered through a faucet filter before the filter needs to be changed. Another benefit of faucet filters is the time saved by not having to constantly refill a pitcher.

Other than increased cost, another downside to faucet filters is the potential to leak. They need to be light enough to be installed on your faucet, but strong enough to withstand the pressure needed to properly filter the water. When the tap is opened fully, the faucet filter must endure very high pressure as it restricts water flow in order to filter the water properly. The pressure could be high enough to blow the filter off the end of the faucet.

The next step up in capacity for water filters are under sink filters. Mounted onto your plumbing system between the water mains and your faucet, the under-sink water filter has the ability to filter large amounts of water. Like faucet-mounted filters, under-sink water filters can divert filtered water to a dedicated faucet, so you can have filtered water when you want it, but use regular tap water when filtered water isn’t necessary. Under-sink filters are more expensive to buy and more difficult to install, but, because of their increased capacity to filter water, they end cost of the filtered water can be lower than faucet-mounted and pitcher-based water filter systems.

The type of water filter you choose depends on your needs. If you like the occasional drink of filtered water, a pitcher filter is probably good enough and you can avoid the higher cost of higher capacity systems. If you need more filtered water, for drinking, cooking, plants, etc., then you will need a higher capacity system and avoid the constant refilling that pitcher systems need.

Water Filter Depot is your source for all types of home water filters.

Article Source: http://depositarticles.com/

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