DIY tank of metal?

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Devin VandeVelde

Feeder Fish
MFK Member
Jun 20, 2015
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Hey guys, my father is a welder and I'm just kinda wondering why people never do metal tanks..? Instead of plywood and a 2x4 frame, couldn't a metal frame with sheet metal sides work? And wouldn't it be less susceptible to leaks and more sturdy? It would be water tight before the pond sealer stuff even went in... With all of the seams being welded. Wouldn't it also be cheaper to do?
 
Hey guys, my father is a welder and I'm just kinda wondering why people never do metal tanks..? Instead of plywood and a 2x4 frame, couldn't a metal frame with sheet metal sides work? And wouldn't it be less susceptible to leaks and more sturdy? It would be water tight before the pond sealer stuff even went in... With all of the seams being welded. Wouldn't it also be cheaper to do?
depending on the metal used the tank can rust or leak elements into the water. You could use galvanized steel but getting sheets of that is often expensive. It would weigh a lot as well. You can use angled iron for a frame and build a plywood tank within that but personally I wouldn't want to do just a metal tank
 
Coul
depending on the metal used the tank can rust or leak elements into the water. You could use galvanized steel but getting sheets of that is often expensive. It would weigh a lot as well. You can use angled iron for a frame and build a plywood tank within that but personally I wouldn't want to do just a metal tank
Couldn't the steel tank just be lined with pond sealer to stop the water from coming into contact with the metal?
 
depending on the metal used the tank can rust or leak elements into the water. You could use galvanized steel but getting sheets of that is often expensive. It would weigh a lot as well. You can use angled iron for a frame and build a plywood tank within that but personally I wouldn't want to do just a metal tank
You're probably right though, plywood in a metal frame would probably be the best bet in terms of cost.
 
Coul
Couldn't the steel tank just be lined with pond sealer to stop the water from coming into contact with the metal?
yes you could, but if your going to use liner anyways you may as well use wood no? they do have galvanized fish stock tanks that work well but they are not pretty, heavy, and may not be the safest option. I've seen a few metal frame plywood tanks work very well, the angle iron makes for the perfect frame for the plywood and glass to sit in, again though I would coat the metal in something
 
I've thought about the metal aquarium and had one planes out until I went with a different layout for my man cave. I was going to build it in place and spray it with a polyuria product that Sea World uses. I really think for large tanks and long term this would be the way to go. My plan was a 2,600 gallon
 
You would need 300 series stainless if you weren't gonna seal it. 300 series is food and medical grade so it won't rust
 
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