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Technical-Water Softeners

Effects of Hard Water


The visible effects of hard water are scale, scum and tidemarks around baths, basins and taps etc. These effects are caused because the mineral contained in hard water manifests as scale when heated or when water is left standing to leave evaporation stains. What you see in your kettle is an excellent guide to what is happening in other parts of your water system.

Why use a water softener?

Hard water has a detrimental effect on anything in which it comes into contact. There are numerous examples of this that can be seen every day, as well as those you do not see inside your system. For example using hard water creates, misted glasses, streaky plates, and spotted and stained utensils. Blocked showers and shower head, leaking ball-valves ,scaled up cylinders and immersions. In addition hard water will give a dull finish to the bath and wash basin, ,create, tide lines around your bath and result in spots and stains on the shower screen. Low water flow out of the hot tap is often caused because the pipe is scaled up due to deposits from the hard water. Also most noticeably hard water means there is little or no lather when you wash and means clothes are dull and dingy.

What is the cost benefit of having a water softener?

A water softener can save up to 50% of washing powder, soaps, shampoos and conditioners etc. A water softener will protect your and increase the life of your system by removing existing scale and in addition saves money on hot water bills as there is no scale to heat first. Just 1/16"of scale will cause a loss of efficiency of 12%. A family of 4 in an average hard water area can save over £200 a year! Compare these savings against the outlay of the softener, and you will see that it is arguably the most cost effective home improvement you can make.

How does a water softener work?

how a water softner works

A water softener works by passing the incoming hard water through a sealed container called a resin vessel, which contains literally thousands of little ion exchange resin beads. These beads attract and retain any hardness in the water i.e. scale and scum, that causes so much damage to your system. When these beads become saturated with hardness, they need cleaning and regenerating for continued use. This is done by rinsing them with a weak solution of brine (salt and water).
The brine together with the previously collected hardness is then automatically flushed down the drain. This process takes place automatically as determined by the softener, with all the homeowner having to do is ensure the softener is kept full of salt. For this purpose we recommend that only tablet salt which available from a local plumbers merchant should be used.


All you need to do to maintain your water softener is keep it stocked up with salt.

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