Ow much live Rock and sand for 75 gallon tank needed any help will be appreciated to get started right now I'm owning a ten gallon tank with fan tail gold fish using a canister filter my other tank 35 gallon hexagon leaked bad so I got rid of it so like I mentioned in my other thread thinking of a bow front tank 75 or a 100 gallons any one please help out here I'm reading a few books