I've employed crushed coral and sand. In case your planning to use sand get a lot of snails to maintain it clean up, you don't need to become vacuuming it or stirring it up,it make a mess!! So an older home will fairly often be noticeably more robust than a https://aquarium-setup-tips90999.blogscribble.com/37542218/the-best-side-of-aquarium-setup-tips