I want to add a third tank to my home. I would like to put it in my great room on the first floor. It would sit above a finished part of the basement, so I am worried about weight. Does anyone know if there is a standard tank size to not go above? If it were unfinished I could add extra support under it. Since I cant, I want to make sure its not too heavy. I would love to get 200+ gal if possible.