AQUA GEMS? are artificial stones with rich combinations of color that retain intensity when viewed through thick glass and water. Your imagination is the only limit when it comes to where you use these stones: vases, fountains, fish bowls, terraria, etc. Whether you prefer the icy, cool colors of Ocean Blend? or the hot tangy colors of Tropical Blend?, these stones will accentuate any environment you choose. Aqua Gems? come in many different styles: Sea Diamonds?, Ocean Blend?, Pearl Pack?, Tropical Blend?, and Island Blend?. Aqua Gems? are safe for all fish and make any aquarium, bowl or vase sparkle. Beautiful in Fish Tanks or VasesAdd Variety and Color