CTK Chlor Frei

Chemical test kit for the determination of total hardness in the range 0.0 to 30.0 mg / l / 0 to 300 mg / l (ppm). 100 Tests

Chemical test kit for the determination of carbon dioxide in the range 0 to 10 mg / l / 0 to 50 mg / l / 0 to 100 mg / l (ppm).