I have utilized crushed coral and sand. In case your intending to use sand get plenty of snails to help keep it clean, you don't need to become vacuuming it or stirring it up,it make a mess!! As a way to maintain your tank thoroughly clean and wholesome in your https://aquariumsetuptips37916.liberty-blog.com/37549263/a-secret-weapon-for-aquarium-setup-tips