lining large plywood tank

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Candiru
MFK Member
Jun 21, 2007
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edmonto alberta
I am building a plywood tank. 430 gallons. I was going to line it with fiberglass resin but I got a good idea from a friend. He is using polyurea on his 3000 gallon tank as a lining so I was thinking of doing this as well. has any one else ever used polyurea as a tank lining?

http://www.polyurea.com/
 
Even pond armour is cheaper than that, and we know it is completely safe. Some things potable for humans is not good for fish... For example, Chlorine, Chloramine, and ammonia (on a small scale) is fine for humans but not good for fish at all! Although it might be completely fine, I would probably just go with pond armour... Seeing as it is cheaper and designed for this use.
 
wow_it_esploded;2831656; said:
Even pond armour is cheaper than that, and we know it is completely safe. Some things potable for humans is not good for fish... For example, Chlorine, Chloramine, and ammonia (on a small scale) is fine for humans but not good for fish at all! Although it might be completely fine, I would probably just go with pond armour... Seeing as it is cheaper and designed for this use.
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Every one dose pond liner, I think it looks like **** :grinyes: I would fiber glass the tank but I have no were to do it.

I think the guy is charging around $3 a square foot?
 
Issack;2831956; said:
he said pond armour.. not pond liner. you roll on pond armour. no smell. not like fiberglass
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ooops sorry. also I have checked out pond liner as well and it was one of my options. I like the polyuria because once you spray it on, it hardens like concrete. making it very strong as well. has any one used polyuria?
 
also i have herd of people using polyurea liners. I am not sure if they are different.
 
The only problem I forsee with it "hardening like a rock" is flexibility issues. Anything you line the tank with needs to flex, even the glass needs to flex.

You can give it a go, but I still say use armour or liner. The liner does not have to look like ****, you can attach pieces of liner to each individual piece of wood then assemble. After you assemble you seal the joints with seaming tape that is normally used for combining liners together in a traditional pond. Inexpensive and quick!

You can pioneer this for us as you seem to have more disposable income than most (like scrivz said on ofish) but if it fails, I warned you
 
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