factory water total hardness test strips

China factory drinking water test equipment total hardness test strip Water quality test paper, also known as water quality test semi-quantitative test strip, applied in food, chemical, municipal sewage, medical, sewage treatment industry, electroplating industry, agriculture and flowers (soil analysis), dairy processing industry.    Visual Reading Steps Step 1  Remove a strip, taking care not touch the reaction fields. Step 2  Immediately close the container again. Step 3  Dip the strip for about 1-2 second into the fresh water specimen. Step 4  Read the result with the color scale after 40 seconds.…