Lovibond MD 100 Colorimeter Hardness (Total), with 2 - 50 mg/l CaCO3 Metallphthalein Reagent (each) The MD 100 uses high quality interference filters with long-life LEDs as a light source without any moving parts in a transparent sample chamber. The uni (1 per EA)
Lovibond MD 100 Colorimeter Hardness (Total), with 2 - 50 mg/l CaCO3 Metallphthalein Reagent (each) The MD 100 uses high quality interference filters with long-life LEDs as a light source without any moving parts in a transparent sample chamber. The uni