My new project has been done with much research. I am currently running with no substrate in my main tank. Live rock only. My fuge has is loaded with older live sand, which I hope to populate with Grunge Plus "www.garf.org".I have 2 mangrove plants with some wire like green stuff which my LFS which is very good recommended and is doing very well. Makes me wonder why!!!
What will I miss with no substrate in main tank???