Our water hardness maps are for indicative purposes only. For a more accurate reading of your specific water hardness, use a TDS meter. A TDS meter provides a quick and accurate reading which shows the concentration of total dissolved solids (TDS) in system or mains water.
Please note. During the Covid-19 pandemic visits to our office and factory are by appointment only. Please call 01793 871 386 to book an appointment. Thank you. Dismiss
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