Water Quality Testing Kit, Copper, Range 0.05 to 1.0 PPM, Sensitivity 0.05 PPM, Test System Colorimetric, Number of Tests 50, Replacement Reagents 4EWE1, Includes 15 mL Copper A Solution, 15 mL Copper B Solution, 10 mL Plastic Test Tube with Cap, Cooper Color Chart and Instructions |