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We offer a range of commercial water softeners based on ion exchange and nanofiltration technology. For high purity applications we also offer bespoke reverse osmosis systems and deionising plants that include mixed bed deionising resin.
Hard Water contains dissolved minerals in the form of Calcium (Ca), Magnesium (Mg), and Iron (Fe). Hard water has a tendency to form scale deposits in pipes, hot water systems and on plumbing fixtures. It also reduces the ability of soap to dissolve in water and will form soap scum.Hard water is ideally treated by ion exchange water softeners. There are other controversial methods used to treat water including magnetic and electromagnetic methods. The efficacy of these treatments is based predominantly on testimonial evidence, and not widely accepted by the scientific community. More about magnetic and electromagnetic water treatment.
Iron levels above 3 ppm are ideally removed with iron removal filters.
Scaling is caused by the hardness salts present in water, particularly the compounds of calcium and magnesium. The level of water hardness is categorised as follows:
|Classification||mg/L or PPM (parts-per-million)||Grains per Gallon or GPG|
|Soft||0 – 17||0 – 1|
|Slightly Hard||17 – 60||1 – 3.5|
|Moderately Hard||61 – 120||3.5 – 7.0|
|Hard||121 – 180||7.0 – 10.5|
|Very Hard||180 +||10.5 +|
Below is a general guide to the water hardness in Australian capital cities –
Total Hardness as Calcium Carbonate mg/L
|Melbourne||10 – 26|
|Hobart||5.8 – 34.4|
|Sydney||39.4 – 60.1|
|Perth||29 – 226|
|Adeliade||134 – 148|