Mine are all on ground level. Concrete and carpet are not close to tested by the 19 tanks that I am running.
Should be another poll option, which is far better and accurate that cross your fingers. There should be an option to chose to :set your tanks up on a floor that you are absolutely certain nothing short of a act of providence could could send them through it. OK maybe a nuclear blast for Pete's sake!
I did not really cross my finger at all, I set them up where the floor has less that 0% chance of failing!
I'm serious, you do not have an option on this poll to express ANY SORT OF COMPETENCE of anyone who did not take direct action to their existing floor.
This pool is so bad that with the prohibitive majority of the MFK'rs voting like myself look like ***hats who cross our fingers and hope for luck.
Do any of you other majority of you posters who also voted "crossed your fingers" not entirely comfortable that this was your action taken when setting your tank(s) up on that floor. They call the freakin' thing a "FOUNDATION" for god's sake! Houses (freakin' way heavier than freakin' fish tanks) are supported by these "FOUNDATIONS". Anyone who feels the need to cross their fingers wile setting up fish tank(s) on a homes foundation has severe IQ challenges.
Simple formula: Foundation > House > fish tank = foundation >> fish tank
No crossed finger, math!