I have made use of crushed coral in addition to sand. When your intending to use sand get lots of snails to keep it clear, you don't need to generally be vacuuming it or stirring it up,it make a mess!! If you'd like to decide on a large-top quality commercial https://aquarium-setup-tips40516.blogaritma.com/35529870/aquarium-setup-tips-for-dummies