According to the directions in the TF 100:
"Add r-009 one drop at a time, swirling between each drop. Wipe the tip of the bottle after every drop with a damp cloth"
Is this really necessary? What difference does it make?
"Add r-009 one drop at a time, swirling between each drop. Wipe the tip of the bottle after every drop with a damp cloth"
Is this really necessary? What difference does it make?