Rubber Stamp Refill Ink - Black Ink

This is the ink used to refill Fingering Chart Rubber Stamps. Take the top part of the rubber stamp off and place ONLY 5 drops of ink in each refill hole. (Brass rubber stamps have only 1 refill hole.) Place top firmly back on give the ink about 5 minutes to flow into the stamp face down and you're good to go!  For detailed instructions:
 
Rubber Stamp Refill Instructions from Brother website