smidey Posted September 17, 2009 Report Share Posted September 17, 2009 yeah for sure. I have used well in excess of 40kg or rock in my tank. about the same as the amount of gravel one would expect in a tank that size. gravel, i hadn't even thought how many litres that would reduce the tanks capacity by. both rock work & substrate promote bacteria to. Quote Link to comment Share on other sites More sharing options...
reef13 Posted October 4, 2009 Report Share Posted October 4, 2009 first malawi tank http://s785.photobucket.com/albums/yy13 ... C10177.jpg Quote Link to comment Share on other sites More sharing options...
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