Do-It-Yourself Red Pigment concrete color hardener powder Shamrock Green Interstar Color Hardener

Shamrock Green Interstar Color Hardener is formulated to be easily incorporated into the surface of freshly placed concrete

Mandarin Orange Interstar Color Hardener is formulated to be easily incorporated into the surface of freshly placed concrete

Honied Apricot Interstar Color Hardener is formulated to be easily incorporated into the surface of freshly placed concrete

One package contains 18 bags of stucco color

Use 1-3 bag per yard of concrete (see color chart)

Do-It-Yourself Red Pigment concrete color hardener powder Shamrock Green Interstar Color HardenerPure iron oxide pigment designed specifically for use in the integral coloring of cementitious materials. Certified ASTM C979 for integral coloring. One package contains 12 bags of pigment (1 lb each).