CTK Glykol (present/absent) – 25 Tests

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

Test kit for the chemical determination of sulfate in the range 100 to 1000 mg / l (ppm) and 1000 to 10000mg / l (ppm). 200 tests