How much marco rock would i need for a 210 reef tank. i was thinking about getting 175 lbs and 320 lbs of the sand. Also what are the pros and cons of using it.
If any one has a picture of their tanks that use marcorock id like to see them.
175 is alot of rock and should be more than enough as it is very porous and light since it is dead. Eco rox from bulk reef supply is good too just go with whichever is on sale
my 90 lbs of marco rock is sitting on my porch right now, so I might be able to give you an idea of how much rock it is by taking a picture tonight. It's 50 lbs of rock, 40 lbs of shelf rock.
