clancaster23
Reefing newb
Is there a good alternative to sand for your substrate? When I get to the point that I am ready to fill my new 40 gallon up, I'll be looking for other options. I have a sand base in my 75 and no matter how I position the powerheads, I still get a big blown out area in the middle of my tank and it just drives me nuts so I was thinking if there was something else that people use to avoid this problem.