hi griffin,
Over the years I have invested dollars into the tank but not all in one go as It can be a bit tedious in getting every factor right, ie. pH, salinity, lighting, sand bed, bio filter....etc... Now that the tank has established itself well I have not had to do a salt water change for almost a year now....other than that I only have to top up with freshwater. Those little bacteria buggers must be doing their job now.....hehehe. But ever since seeing a marine aquarium at the shops, I've always wanted one......now I have three....fourth on the way. hehehe.
Christian
Christian