I have used crushed coral together with sand. if your going to use sand get numerous snails to maintain it thoroughly clean, you don't want for being vacuuming it or stirring it up,it make a mess!! beams: The beams act to guidance the ground joists. These beams may very well https://aquariumsetuptips14455.blogpayz.com/37544347/the-definitive-guide-to-aquarium-setup-tips