Random new tank idea... - The Planted Tank Forum
 
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post #1 of 14 (permalink) Old 10-26-2015, 09:52 PM Thread Starter
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Random new tank idea...

Hello, fellow fish keepers!

Not a big poster here, but have been lurking and learning for a long while...

Had a wacky idea for a 20 ish gallon aquarium, approximate water holding dimensions of 30*12*14

Its planned to be about a 20-30 degree tilt (dependant when the substrate slides... the tank will have stabilizing "ribs" to help), planted and low tech. The piping output will be secured to the tank, but the pipe carrying water (the black line above the tank) which will connect to an in-line canister filter would be removable. The light (yellow line) will sit on top of the sealed glass top.

Obviously I will be building the stand, lights etc.

I see a few problems;
1, cleaning such an awkward shape (the opening on the top would be about 4*12)
2, rampant algae growth on the top glass panel due to light proximity

Just would like some other opinions on the design and potential problems I have overlooked.
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post #2 of 14 (permalink) Old 10-26-2015, 10:08 PM
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I'd be concerned that the tank would not hold up structurally.

They are meant to sit level, and using them not level is asking for trouble.
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post #3 of 14 (permalink) Old 10-26-2015, 10:16 PM
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You seem to have included 2 attachments after the measurement line but they don't show up.

I suppose you are building the tank?
You might not need to have the light so close, your tank is not high. Also, given the angle, how much water to you intend to put in? A good portion of the tank will not have much water.

That looks like quite a challenge to me. Good luck


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post #4 of 14 (permalink) Old 10-26-2015, 10:18 PM
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Since its a 20 long, I really wouldnt expect the lower end to hold up very well, thats a lot of weight on a piece of glass that isnt meant to hold the entire 20 gallons worth of weight.

What you probably want to do instead is custom make this out of acrylic. My local fish store has a couple of these, but instead of it being a normal tank tilted upwards, its just an acrylic tank cut on an angle, and then divider steps were put in (probably made out of the chunks of acrylic they cut off). Then they feed in water at the top, and out the bottom with a little fountain pump.

Not saying your idea wont work but you will definitely at the very least need to make a custom stand that gives it some more support in the bottom corner. Its probably easier to just custom make it out of acrylic if youre only going for 20g.
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post #5 of 14 (permalink) Old 10-26-2015, 11:03 PM Thread Starter
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Sorry, I guess I should have specified, I am building the tank myself and do plan to build a brace/stand etc with it.

As for the tank, it will essentially be a square pipe with glass on the top, bottom, and sides, thus allowing water the tank to be full, there will be a small opening at the top for the inflow, either a (very) modified HOB or canister filter.
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post #6 of 14 (permalink) Old 10-27-2015, 02:41 AM
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post #7 of 14 (permalink) Old 10-27-2015, 02:47 AM
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Very little air-water surface, so very low oxygen.

I would rather see a common 20 long, set it up correctly, and make a stream/paludarium to get the 'slope' feeling.
Several terraces could be set up in any of several methods to hold the substrate in place.
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post #8 of 14 (permalink) Old 10-27-2015, 03:06 AM
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I must be unusually slow as I can't visualise what you are planning - can you give a better description/diagram of the tank.

Bump: A tilted tank X A tank where the substrate is sloped 20/30 degrees towards the left - what difference?!

If you have a choice, you have a problem, till you elect your choice. No choice, no problem, only consequences, learn to live with them.
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post #9 of 14 (permalink) Old 10-27-2015, 05:05 AM Thread Starter
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Diana,

I did wonder about the aeration. I was thinking of using a HOB filter for that reason, to get more SA in the filter and lots of churning from the wide flow of water leaving the filter.

I suppose i could do the terrace option, but the primary motivation was to emulate a lake shore slope type thing, with the tank being mostly water.

After remeasuring my glass, it seems the tank would actually be a 3D parralellogram in a rectancular prism measuring 24L*22H*12W, thus the water holding dimensons would be 24L* 16H*12W.

If that makes sense.

essabee, is this better?
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post #10 of 14 (permalink) Old 10-27-2015, 05:17 AM
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Take a look at Wabi Kusa and Paludarium. I think that is what you wish for.

If you have a choice, you have a problem, till you elect your choice. No choice, no problem, only consequences, learn to live with them.

Last edited by essabee; 10-28-2015 at 12:03 PM. Reason: Kusa
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post #11 of 14 (permalink) Old 10-28-2015, 11:48 AM
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I'm still not sure that this will be structurally sound. All the weight will be on one edge. With the filter on the high end, everything would end up being pushed down the slope.

I think a normal high tank would be better. The height would give you the room to have a nice slope without trying to defy gravity.
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post #12 of 14 (permalink) Old 10-28-2015, 01:15 PM
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May I ask what you are trying to achieve (purpose?) with this tank build?

And for what it's worth, most HOB's want to be rather level which they would be on that design, however most of the output ramps air more-so downward so they indeed might dig into the substrate pushing in down-way of the slope.

And for the return line/intake tube at the other end of the tank, how are you bringing the water back to the HOB? Another pump or canister filter? Could honestly just use a canister filter and no HOB (no need for cut out of HOB either, just intake and outlet holes (but access "panels" are wise for getting into the tank for various reasons).

But again, what is it you are trying to achieve that calls for this odd set up?
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post #13 of 14 (permalink) Old 10-28-2015, 01:20 PM
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I am not sure if I understood it right, but I think your glass panel in the front will hold a lot of weight in this case. SO make sure you calculate the weight on front panel and build it according to that. Especially the bottom front corner.


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post #14 of 14 (permalink) Old 10-28-2015, 06:38 PM
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Are you describing a bent into parallelgram Fluval Edge? There is a top rim on those so you can fill completely with water although the tip will allow room as well. What about going all the way and using a sump so the lack of air/water interface in the tank itself isn't a big deal? If you are building this then you could drill the glass/acrylic for the overflow rather than having to use a bulky HOB one.


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