material list help for 3000 gallon tank

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alm350

Registered Member
Jan 1, 2006
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i would like to build a large tank around 3000 gallons or so, im not for sure what to build it out of. from what i have seen so far most people that have built tanks this size used plywood and fiberglass.but from what i understand fiberglass brakes down and has to be redone every 5 or so years,which i do not want to deal with and i dont think i could build it out of just glass-to weak i would think,so i was thinking of steel but then i have to deal with rust and trying to paint it all the time,
so i started thinking sence it would be freshwater maybe aluminum would work,but im not for sure if aluminum would be toxic to the fish,
so does anyone know if aluminum is toxic or know of a way to build it so i dont have to rebuild it every few years?
i figure with glass ports and aluminum i would not have to do much at all other than reseal the site ports every 10 years or so ,
any thoughts would be great thank you
 
This guy in MI who built a 4000 gallon reef tank out of concrete and acrylic in his basement used to have a website I was going to link to, but he apparently sold the address to a commercial company. Oh, well.

Basically, he built a large box out of concrete with a window on one side in which he siliconed a sheet of acrylic.
 
Just a thought,
you could build your "box" out of plywood and fiberglass and then set real glass inside of to to take the ware.
 
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