Do not add more than 4 ounces per mixed gallon of CastFX Colorant to RiverCast, MirrorCast, or MirrorCoat.
Measuring And Mixing:
Combine the Resin (Part A) with the Hardener (Part B) at the appropriate ratio. Mix thoroughly according to the RiverCast or MirrorCast product specifications. Then add CastFX Liquid Colorant to the level of your liking up to 4 ounces per mixed gallon. Mix until the color is uniformly blended with the casting resin.
CastFX Liquid Colorants can be cleaned up with lacquer thinner, denatured alcohol, or white vinegar.