My wife has noticed my 90 gallon tank is stinking. I had this tank in my garage for 1 year and decided to move it inside my house. I transported 30 gallon in a barrel from the original garage water and the rest was new from my house. My wife and I decided to decorate the tank with a big dinosaur skull ornament (Fake of course). She feels like thats whats stinking, I have an Rena FilStar XP2 and a whisper 60, alsp a hydro sponge filter with a air pump running to it .I left all the media and didn't change it so I would have plenty of bacteria. Any advise??? Quick help before I have to move my tank.