WaterWorks™ Total Hardness (50 test strips) Tests Calcium & Magnesium Hardness from 0-1000ppm.
This simple colour test strip, from our WaterWorks™ brand, allows for quick and accurate testing of Total Hardness of water, as calcium carbonate.
It is a simple dip and read test strip with a precise colour chart on the back of the bottle and the results are shown within 60 seconds. This wide range test strip can be used to test water in homes with lab quality and of course the results are ideal for most applications. One of our most popular tests.
No other reagents or accessories are needed. We use trace amounts of chemicals on our strips which makes them extremely safe and non-hazardous. They are considered as Articles under OSHA and do not require SDS sheets.
Why test for Total Hardness?
This test detects both Calcium and Magnesium Hardness. Hard Water above 120ppm contains high levels of dissolved minerals, like Calcium and Magnesium. These can cause mineral build-up on fixtures and poor soap performance. Soft Water below 80ppm contains few dissolved minerals and forms suds with soap easily. Water below 40ppm may cause leaching from copper, iron, or lead plumbing joints. In the water softening industry the standard way to discuss hardness is as "grains per gallon" or gpg. One gpg unit is approximately equal to 17.14 ppm as CaCO3. In the aquarium industry hardness is often reported as "degrees hardness" or dH. One dH unit is approximately equal to 17.5 ppm as Calcium Carbonate (CaCO3). High levels of hardness in an aquarium may affect the health and breeding habits of the fish.
Bottle of 50 tests
Detects: 0, 40, 80, 120, 180, 250, 425, 1000 ppm (mg/L)