300ish Gallon plywood - First attempt

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nolapete;3739661; said:
Thanks Rivermud for saving me the trouble. I don't get why people insist on using this stuff when there are many other options. Oh wait, it's cheap. There you go.

Its not that I'm cheaping out. It is just the easiest thing I can do to fill in the corners that will be sealed with the rubber paint it will stick too.
 
Ohh. My thread blew past 9000 views today. So 8000-9000 in only a few days. Very cool.
 
So due to it being nice and warm where the sump was last night. The caulking is dry and clear.

So it got its first coat of liquid rubber based pool paint this morning so I should be able to put the 2nd on late this afternoon. Just so everyone knows. Don't do what I did. Paint your projects in the garage or shop not in the kitchen. Ventilation is good. I was wearing a mask but I think i got my ferret stoned.

Heres the first coat, still nice and wet. Kinda like taking pictures into a black hole.
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I'm interested to see how the latex stuff works out. That will really make this liquid rubber useful and bring the cost/time investment of these builds way down.
 
kallmond;3742799; said:
I'm interested to see how the latex stuff works out. That will really make this liquid rubber useful and bring the cost/time investment of these builds way down.


Which latex stuff? The Caulking?

If so then any paintable caulk would work. I had that on hand so choose that. Anything would work really that you can seal the corners with that is not 100% silicone. You could easlily use bondo or fiberglass resin and mat. Either of those would be good options as they can both be roughed up with sandpaper to get good adheasion and strenghten the tank itself. But since I am only at 300 gallons and not larger I think my corners are strong enough.

Any paintable caulking would work too. Preferably one with out the mildew inhibitors like I used but it gets sealed away anyways.


But for what it is. If this all works out it gonna cost me about 50 bucks to waterproof the tank. So put that against say 200 bucks a gallon pond armor? and you got a decent savings. But it may not be for everyone. Some may choose a safer route and use the heavier tried and true things like pond armor or bluemax. Neither of which I could get easily or cheaply.

Total investment in this project so far is just under $300.
 
I was the one who suggested latex caulking to you :p Now I'm looking forward to your success, as this technique brings a 500ish gallon tank into my price range.
 
Well. Depends on your price range. You also have to take into account the large amount of materials I had on hand already. Not to mention the time and tools it took to make it happen.
 
Heres the sump box sitting in front of the fan after being heated and blown dry for about 7 hours.
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And just for the fun of it heres a little box top that I was using for my 4 inch paint roller that I decided to finish painting the inside and see if it would hold water.
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An the inside with 1 uber thick coat inside.
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Its only about 2 inches deep. So I'm going to fill it with water here in a minute and see what happens.
 
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