A fixed gigantic concrete & glass tank - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 10-09-2005, 07:38 AM Thread Starter
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A fixed gigantic concrete & glass tank

What do you say about :

four of its five sides are all concerete (the bottom and back and each side). The front is using a huge plank of thick glass (14-15mm). Height is normal for a planted tank, around 70-75cm. Width is about 1,2 meter or so. Length is around 4 meter. The tank should displace at least 1000gal. I saw this one in a local magazine. Too bad it is not described well. It is built by the porch of a house, with nice garden on the background and given transparent roof for protection from direct elements and sparse MH system for supplement. It has a chiller and CO2 injection system. It is well planted and got lots of fish to my surprise. An underwater garden of a hybrid between a pond, a garden and a planted aquarium. I cant believe my eyes it does not have algae break despite of being partially outdoor, and how well the plants looks like.

Personally I say it is cool!
I want to get the same thing one day ... of course if I'll ever get the time and money.
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post #2 of 9 (permalink) Old 10-11-2005, 05:44 AM
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Sound very interesting. Do you have a link to an image?
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post #3 of 9 (permalink) Old 10-11-2005, 06:30 AM Thread Starter
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sadly, no. So far I have only seen such concerete pool/tank hybrid in a local magazine, and it is the first time I have seen it. I did ever saw one myself which is indoor and a bit smaller at 400-500gal. It is a tank owned by an aquascaping supply shop. They make it that way so customers can easily pick whatever they want from the tank. It is actually easy and fun to poke your hand into the bottom and pick by yourself. Really, I love it. The drawback is that the shop built the tank too low to enjoy as a tank, raising it by a foot or so would be great for viewing.

Imagine what else you can do if you have four side of solid concerete instead of glass. You can shape them to look like river bank, stick a plank of java moss by the sides, etc you can think of. It is very clear that you can build bigger this way, because concrete is sure to be stronger than glass in terms of withstanding water pressure (you can always add steel reinforcement and brick inside the concrete).

I have seen such setup everywhere but they are not planted tank. To name some sea world, local aquarium display and in singapore zoo.
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post #4 of 9 (permalink) Old 10-11-2005, 11:26 AM
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Here in the US some people who want mega-reef tanks make them out of plywood and fiberglass. Much lighter than concrete.
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post #5 of 9 (permalink) Old 10-11-2005, 12:00 PM Thread Starter
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wow.. fiberglass actually will withstand the huge presure of 10 tonnes of liquid? that is intersting. I know of people using fiberglass in building koi pond as a lining. They dig the site, set the fiberglass, then pack the soil inbetween. This way all the weight and pressure will be evenly distributed towards the whole surface since the whole lining actually supportted by the ground. Maybe if I am to build a fixed pool-tank using fiberglass lining, the glass piece would be on the bottom part, reinforced by some concrete. Then A part of soil is digged out in front of the glass as a viewing bay. What I wonder is, would it be strong enough if the tank is built above ground level? you know by then the only means of support is only the bottom part (and perhaps the back part). I have seen large structures built from fibreglass, such as industrial chemical tank and huge water tower of 300gal+. On a second thought, maybe fiberglass is actually strong for the job.
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post #6 of 9 (permalink) Old 10-11-2005, 12:24 PM
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Fiberglass is a great little composite...think boat hulls.
Mix and crossed "fibers" and the correct resin and that stuff is pretty solid. It doesn't fair well at "acute" pressure (cracks/webs), but broad loads seems to be fine on large applications.


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post #7 of 9 (permalink) Old 10-16-2005, 04:46 PM
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Here is a great link for DIY Plywood tanks DIY plywood tanks . You can re-inforce the plywood with fibreglass. Here are two links for working with fibreglass: Fibreglass link #1 and #2

Steve

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post #8 of 9 (permalink) Old 10-17-2005, 02:33 AM
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http://www.hagblomfoto.com/article_concrete.htm - Here's one, it's by a Cichlid owner...
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post #9 of 9 (permalink) Old 10-17-2005, 02:43 AM
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Quote:
Originally Posted by juanBeegas
http://www.hagblomfoto.com/article_concrete.htm - Here's one, it's by a Cichlid owner...
All of a sudden, my 100 gal tank looks tiny


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