Originally posted by 007
having a rubble base like that seems to me like a recipe for disaster . . . thats a LOT of big spaces for detritus build up due to poor circulation. Bare bottom or starboard would be much better IMO, not to mention cheaper.
I can see what you mean about build up due to poor circulation
and for some tanks that would be a problem, but that is just not the case with this tank. he has 3 sea swirl 90 degree rotating returns, and two regular returns and close to 10,000gph turnover