Potted Cryptocoryne Spiralis Live Aquarium Plant You get one potted Cryptocoryne Spiralis in rockwool. An easy aquarium plant specie for any freshwater aquarium Create a natural habitat in your aquarium for your fish and invertebrates Make your fish tank look natural and beautiful Provide natural resting and hiding places for your smaller fish and invertebrates Perfect for aquariums of any size. Can be used also be used as an aquarium surface plant.