nano mania
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<a href=showthread.php?s=&postid=12061305#post12061305 target=_blank>Originally posted</a> by crazy4acros
Sorry, i hope someone else can chime in and answer that for you. My floor is concrete, but i do think you should find out if there is a basement or not. I do believe It's always a good idea to reinforce when necessary.
I'm not an engineer but I think you should be safe.
You have to figure that the SW in a 135 gallon tank, at 8.5 lbs/gal, weighs approx. 1145lbs. Add rock, stand, & equipment you are looking at a total of around 1300 lbs.
That sounds like a lot.
But it's spread out over a 3' x 3' footprint. That's 1296 square inches. That equates to just over 1 psi.
Now figure a 150lbs man with a size 9 shoe has a 96 sq in footprint (12" x 4" per foot). He is exerting 1.6 psi just standing still.
If anything try to locate the floor joist and try to place the tank over two. They should be spaced every 16".