Our Kowloon Ecoscape stone is not only an artistic choice for the home aquarium, but also a safe choice for both fish and plants. Kowloon is named for the famed uninhabited island of Kowloon in Hong Kong. It has gorgeous striations and pores making it an ideal aquascaping media. It is inert and will not alter pH or hardness. It comes in a variety of shapes and sizes handpicked by the Ecoscape team to give your aquarium a unique look.