I have an empty 10-gallon glass tank. Is it possible - or rather, reasonable - to turn this into a nano reef? I've found opposing views on this. I have a 55-gallon fresh water goldfish tank and a 29-gallon freshwater angelfish tank that have been up and running for the past two years. I am very diligent with weekly water changes and vacuuming and I always understock, but I've got to wonder if a nano reef is dangerous because of the small size. Right now, room and finances do not allow for another larger tank, much as I'd love to have a big reef tank. This would also be my first attempt at saltwater, another thing I feel is not in my favor. Any thoughts or suggestions are welcome!