Rainbow Rock Three Hole Aquarium Rock Decor, Genuine colorful rainbow rock complete with three carved swim through holes. Naturally-textured rock adds depth and design to any aquarium aquascape. Amazing textured stone with deep reds and oranges. Resembles the Painted Dessert… Safe for all aquatic aquarium habitats. Ornament looks totally natural & blended in any aquarium or fish tank. Great New line. Attractive looking natural rainbow rock, will bring color to any aquarium. This aquarium decoration with natural looking construction offers the natural environment feeling that can change your aquarium into a beautiful scenery. Rainbow Rock Three Hole Aquarium Rock is great for decorating your aquarium with minimum maintenance. They are 100% safe for fish and aquatic life designed specifically for use in aquariums and fish tanks. Rinse all decorations in water prior to using.