Coloring the part.
Gloves, goggles, and cover-ups must be worn at all times. ONLY ALUMINUM CAN BE IN THE DYE TANK, NO OTHER METALS SHOULD TOUCH THE DYE. DO NOT BREATHE THE FUMES.
Rinse the part in the DI water making sure to remove all of the excess dye.
DO NOT LET THE PART DRY BETWEEN TANKS. THEREFORE, WHILE RINSING, PREPARE FOR THE NEXT STEP.
Keep all chemicals separate from one another. Put Dye in PPT 2 containers (Sunny-D).