You can create perfect copies of any piece of original coral using mold rubber and liquid plastic.  Using different colors, you can create a limitless variety of casting effects to make plastic coral display pieces that are one-of-a-kind and unique to your aquarium. 

Advantages/Benefits to Making Your Own Custom Finger Coral:

  • Custom design
  • Easy maintenance
  • Will last indefinitely
  • Eliminates reef harvesting
  • Low cost
  • Aquarium-safe (will not harm fish, invertebrates or other sea life)
  • Chemically inert
Smooth-On Products Used in Step-by-Step Tutorial:
Mold Rubber:
Mold Star® 15
Casting Resin:
Smooth-Cast® 325
Colorant for Casting Resin:
Ignite® Fluorescent Color Pigments