Composition:
80ml of Crystal Violet Oxalate
80 ml of stabilized Lugol's Fluid
80 ml fast differentiator
80ml of Safranin
4 pears dropper 5 ml.
Number of pairs: 30 to 100
Equipment needed: yoghurts, slides, coverslips, sterile water
Preparation time: 5 minutes the day before
Storage: 6 months at room temperature