Words similar to hardness

Example sentences for: hardness

How can you use “hardness” in a sentence? Here are some example sentences to help you improve your vocabulary:

Therefore, the pH, alkalinity, hardness, and conductivity of receiving water samples should be determined before each use.
If acute/chronic ratios are to be determined by simultaneous acute and short-term chronic tests with a single species, using the same sample, both types of tests must use the same test conditions, i.e., pH, temperature, water hardness, salinity, etc.
3 Static non-renewal tests, using moderately-hard synthetic freshwater (total hardness = 80-100 mg/L as CaCO3).
hardness, 80-100 mg/L as CaCO3).
It is recommended that total alkalinity and total hardness also be measured in the undiluted effluent test water and the dilution water.