It won't harm your aquatic life or affect the water quality, use in both freshwater and saltwater aquariums
Put the castle Decoration into cold water with a small amount of baking soda or washing powder, soak it for 4-5 hours before put into your aquarium.
The aquarium cave ornament has a flat base, will sit stably on tank bottom.
5.It is vividly and color detailed to add lively and natural life to your tank.
Package include:1*Fish Tank Decoration