Water described as “hard” means it is high in dissolved minerals, specifically calcium and magnesium. Hard water is not a health risk, but a nuisance because of its tendency to cause mineral buildup in water pipes and heating systems, and its poor soap and/or detergent performance when compared with soft water

Water which contains high concentrates of lime, will show white (lime) deposit on shower heads, taps, kettles, and also a whitish scum or residue on baths, tiles (especially dark colour tiles), sink, etc. In severe cases you will need to de-scale kettles

Hard water, depositing lime everywhere it flows, will coat your pipes, hot cylinder, taps (distorting flow on tap diffuser), shower immersion, shower head, kettle, and heating burner and system. It will also cause you to use twice the amount of soaps & detergents, and require de-scaling of kettle.

Expensive maintenance, by excessive cleaning of scum/scale on bathrooms & kitchen sinks, and de-scaling of kettles will cost time & money. However greater expense will be incurred by replacement of heating radiators, pipes & burners, coupled with expensive repairs/replacements of items such as showers, immersions, washing machines and dishwashers. Lime can concentrate heaviest of all in copper cylinder (hot press).

Yes. Up to 40% inefficiency can be caused in heating systems, by limescale build-up on pipes.

For most UV lamps, the elapsed time is about 9000 hours, or one year of continuous use. After this time, you may very well still see the blue glow. Again, that’s more a sign that the lamp is still getting power and not an indication that your water is fully disinfected

The lamp should be replaced, as a rule, once every year. Should I change the germicidal ultraviolet lamp after one year or when it stops lighting? Even though the UV lamp may produce visible light past the 10,000 hours, the ultraviolet output decreases over time. We recommend that you change the lamp every 12 months.



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