how big of a tank can go on a second story?

  • We are currently upgrading MFK. thanks! -neo

Monster Oscar

Feeder Fish
MFK Member
Apr 16, 2009
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Long Island
i have live in a 2 story (level) house...we lived in a 1 story but then we got and extension on the house like 6 years ago to make it 2 stories...im wondering now i have a 55 gallon in my room on the second story...how big of a tank do you think would i be able to put on the second story without risking like it coming through the ceiling from the weight lol
 
It would depend on a few things like: How old is the house, what is the house made of (cement?), is the tank being placed over a load bearing wall, etc...

Personally I live in an older wood built house and I wouldn't want much more than a 55 in one spot on the second floor. I would however put say two 55s on different walls of the same room.
 
The most important factor is the tanks foot print ie how much weight each square foot is having to support. A 500 gal tank that is 6ft deep and 2 ft wide will fall through where a 500 gal tank that is 2ft deep and 6ft wide wont!

Even the weakest floor will support a 'large' tank as long as its not too deep!
 
What does the age of the house have to do with it? He stated it was going into the "extension" that is 6 years old.

If the new extension is built to code and you place the tank perpendicular to the floor joists. The floor should support most any "standard" type tank. You still would benefit from doing some research on this subject instead of taking my word for it.
 
i have a 100g in my room...its been there for a few months now and everything seems fine. Theres no squeaks or anyhthing out of the norm in the floor but there is a wall downs stairs that juts out 4 feet right under where the tank is so i think that wall gives a good amount of extra support.
 
I agree with several of those posts...
Definitely set the tank perpendicular to the floor joists. In fact, the more joists you span with that tank, the more uniformaly distributed the load will be, so tell your wife/girlfriend/parent you need a MF Monster tank! Over a load-bearing wall would probably be best, though.

House age would be an important piece of info if the house has wood joists. Rotted, termite chewed joists will not hold a big tank for long... If that part of the house is only 6 years old, try to find where it attaches to the older part of the house. Make sure there is solid joints in that area, especially if the tank will be near it. Big tank weight over a bad joint/joist could easily put cracks in the wall paint/drywall or even worse.

Good luck! Let us know what size you go with!
 
I have a new 120 gallon in my room 3rd store in an older wood house but u do run by the tank lol the floor makes a lot of noise. LOL
 
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