Fed up of descaling your coffee machine or other appliance? Then measure the total hardness (as calcium carbonate) in your water with these superb quality test strips. An absolute must prior to ordering and whilst installing a water softener in your machine.
Results in 10 seconds
Realistic range of 0-500ppm in 5 clear stages � 0, 50, 125, 250 & 500ppm. Too many stages with similar colours makes it harder to match the tip to the chart and therefore gain an accurate result
Quality plastic strips with indicator tips – not cheap paper that can fall apart
Metal container with inbuilt silica desiccant in the lid – keeps strips dry, free of humidity and prolongs shelf life
Results in Parts per Million (ppm)