When I first decided to set up a marine tank after only having done freshwater I pretty much did things like I had before. It worked pretty well. As I learned more though I came to appreciate the value of a sump. However, I didn't have a drilled tank with an overflow and couldn't afford one. So I hit the forums and found someone local who had a used hang on the back (HOB) overflow for sale. I set ...
Read More
Read More