A simple color chart kit for measuring Copper from 0.05 to 1.0 ppm. Eight color standards are provided on the chart. Economical and easy-to-use.

The Low Range Manganese test kit measures Manganese levels at 0.05, 0.1, 0.2, 0.4, 0.6, 0.8 and 1.0 ppm using the Octa-Slide 2 Comparator.