DIY 120 gallon tank
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Old 09-23-2013, 06:51 PM   #1
Heartl
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DIY 120 gallon tank


This is a 120 gallon tank I am working on. I have been working to try to recreate a mangrove tree rooted look. the background is all Styrofoam and spray foam that has been coated then airbrushed. I am building a massive filter in the center trunk out of a piece is 4" PVC that is 21" tall. It has mesh separators for the different media and a 420 gph pump driving it at the top. I coated plywood with a PPG epoxy (yes I got the yellow cheap).
I have also made some rock formations to match the background with parts carved out for places to pot some main center piece plants.
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Old 09-23-2013, 07:08 PM   #2
desertmonkey
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Very nice! What kind of glass will you be using and how are you going to seal it?
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Old 09-23-2013, 07:15 PM   #3
Heartl
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I will be putting in 5/8" glass sealed inside and out with aquarium safe silicone. The glass will be one inch bigger in all directions to make it easier to seal and to give the glass as much support as possible.
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Old 09-24-2013, 04:58 PM   #4
crazymittens
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Nice background!! Looks great.

I would do more research on the silicone - pretty sure you should be using something like RTV100 or SC1200 - i.e. an adhesive silicone (vs. sealant silicone). Also not 100%...but IIRC 1" overlap is not enough, I think 1.5-2" is recommended...could be wrong on that front.

Good luck!


Oh...and if I read your post correctly...the stump has the filtration? Cool!
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Old 09-25-2013, 05:48 AM   #5
lochaber
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I think you can get away with a silicone just as sealant in a plywood tank build, as the water pressure forces the glass onto the plywood, and the silicone acts more as a gasket, and the structural strenght of the tank comes from the plywood frame (as opposed to the glass and silicone joints in a glass-only tank)

But I like using the main trunk as a media chamber- it makes good use of space that would otherwise not be used. I've done a similar thing in smaller paludariums, and it worked pretty well for me (built in the corner or a waterfall).

Looks really good so far, once you add some plants and stuff, it should look awesome.
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Old 09-25-2013, 05:58 AM   #6
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Looking really good, I've always wanted to do one of these..
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