Acid rain test paper contains 15 strips of pH test paper and a color comparison chart-designed for measuring the pH of rain In the range of 3.0 to 6.0. A student taking an acid rain survey can take readings on 15 samples.
Kit contains 15 strips of pH test paper and a color comparison chart—designed for measuring the pH of rain in the range of 3.0 to 6.0. A student taking an acid rain survey can take readings on 15 samples.