SRH Aquatics World » water

Carbon filters work on the simple mechanism of adsorption which is a property by which the particles in the water are attracted and attached to the carbon surface. Let us take a detailed look at how this wwroks exactly.

Activated carbon filters are hydrophobic which means they repel water. And they are oleophilic which means they adsorb oily and other organic contaminants. So, when water is made to pass through a carbon filter, water is repelled and other contaminants present in it are adsorbed by the carbon surface. As a result the organic contaminants successfully get removed from the water.

But there is one limitation to these filters. They are effective only for organic contaminants, heavy metal traces like arsenic, copper, mercury etc will continue to exist in the water purified by using a carbon filter.

So, what is the complete solution then?

Using a multi block water purifier. These systems typically involve multiple stages of filtration. They use a carbon filter in conjunction with other filters based on sub micron filtration or ion exchange. These multiple stages of processing ensure that all types of organic and chemical contaminants are removed from the water. They also help in enhancing the pH balance of water,

In essence, these purifiers have all the advantages of carbon filters plus the added advantage of being able to remove other tough contaminants as well. The water produced by these purifiers is 99.9% clean and pure. Not only is it free from all types of pollutants, it successfully retains the essential minerals present in natural water.

These minerals are required for the daily functioning of our body and consuming water rich in them is the best way to ensure their daily intake. A few purifiers especially the ones based on Reverse Osmosis remove these minerals from water. Such mineral deprived water is not recommended for prolonged consumption as it can lead to multiple mineral deficiencies.

Multi Block Purifiers

They are easy to install, use and maintain and come in variety of configuration options. They can be installed on the kitchen faucet or on the shower head or better still, whole house water purifiers are also available. They also have the configuration flexibility of getting installed under the counter or over the counter.

The maintenance cost comes out to be something less than 10 cents per gallon!

If you need more information on these multi block carbon filters, visit my website listed below.

About the Author

Daniel Woods is a dedicated advocate and researcher of the benefits of safe, clean, healthy filtered water. He shares his research on his website - Water Purifier Home. If you want to know how to choose a water purifier, visit - http://www.waterpurifierhome.com and learn about the products our editors personally use and recommend.

Active carbon filter , homemade , cheep

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Tank Heater

Oscar — Fri, 06 Aug 2010 23:26:07 +0000

Account limit of 2000 requests per hour exceeded.

Tank Heater

Tankless Gas Water Heaters - more energy efficient

Tankless-water-heaters have been popular in Europe and Asia for many, many years,

but in United States have become popular only recently.

What is a tankless Water Heater?

It is also call is "on demand" water-heater -increased energy efficiency 10% - 50 % .A tankless unit provide hot water only as it is needed This results in energy savings of from 14% to 50% depending on the size.

The traditional storage tank heaters keep
large quantities of water heated whether or not is about to get used. Storage tank heaters also reheat water that has not been used but has cooled inside the tank. On the other hand, a tankless heaters only expends energy to heat water as it is used. The energy savings from using a tankless water heater instead of a storage tank unit are approximately 20% of your energy bill that goes to heating water.

Types of tankless gas heaters

Tankless water heaters are physically smaller than conventional tank heaters and are generally wall mounted.There are two types of tankless-water-heaters:

- Point of use - water-heaters are designed for dedicated use, meaning they supply a single faucet,

shower or appliance. "Point of use" tankless-water heaters are smaller than whole house models and fit easily

in a bathroom vanity cabinet or linen closet.
- Whole house tankless-water-heaters will heat water for all needs throughout the house. These water heaters are larger than "point of use" heaters and are best situated in basements, garages or, depending on the climate where you live, outside.

Tankless-heaters can be fueled by gas (natural or propane) or electricity.

Your fuel choice will affect the heater's price, cost to operate and flow rate.

Gas heaters are generally larger than electric units and cost more initially, but since gas
is cheaper than electricity, gas powered tankless heaters are less expensive to operate. They can also generate larger flow rates, making them a more effective whole-house choice. If you're considering a gas-powered tankless-water-heater choose a model without a pilot light to save energy and reduce operating costs.

Electric heaters are less expensive up front but cost more to operate. They also have lower flow rates than gas-powered units, so they're better suited for point-of-use needs unless your home's required flow rate doesn't exceed its power. To maximize energy savings, look for tankless units with modulating controls that increase or decrease the amount of energy required to heat the-water depending on the flow rate.

Many tankless heaters qualify for the $300 Federal tax credit, so will get a well deserved break in that direction. Tankless-water-heater will last up to 20 years twice as long as conventional tank heaters. Add in their energy efficiency and lower operating costs . In most cases , the savings are even more if the heating unit is installed outside.While a tankless-gas-water-heater is quite an investment, it will pay for itself over time. The best part is that once it has paid for the investment, you willkeep saving money each month..

About the Author

Discover where to get best tankless water heaters info , problems .reviews
www.heaters-reviews.com
also if you are interesting in water filtration checkwww.pureaquasystem.com

Converting Tank Water Heater to Noritz Tankless Heater Video