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Old 09-22-2011, 08:23 PM   #1
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My DIY HOB

My sister had a 2nd hand octagonal tank that she passed onto me, with her betta, when she moved across country. It's about 10 - 12L (2.5g). He didn't have a heater or a filter. As soon as I got him I got him a heater. But he still needed a filter. I've been changing out his water every few days for months now. Because of the size of the tank I don't want to use a sponge filter (would take up too much room). We are a bit tight on cash at the moment so buying one was out of the question. I decided to make my own HOB.
This is how it looks:


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Old 09-22-2011, 08:24 PM   #2
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how will the water get back into the tank?
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Old 09-22-2011, 08:48 PM   #3
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I bought a cheep snap lock container. It doesn't need to be watertight because the water never reaches the lid. The size of it is definitely an overkill lol.

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PVC pipe.

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2 PVC elbow joiners

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Sponge

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Bio media I already had.

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A small (very very small) fountain pump from a fountain I was given and never use.
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Old 09-22-2011, 08:49 PM   #4
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Quote:
Originally Posted by ilostnemo
how will the water get back into the tank?
Ahh I'm getting to that (slow Internet)
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Old 09-22-2011, 09:26 PM   #5
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Attachment 52990

I had to make holes but I don't have a shed full of tools to use so I had to use what I had in the kitchen.

Attachment 52991

I heated a knife sharpener over the gas stove and poked it through the container then I heated a fork handle and uses it to enlarge the holes.

Attachment 52992

Attachment 52993

I cut the sponge so I fit tightly in the bottom of the container. I then cut a hole to fees the PVC hose through.

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My bad siliconing skills.
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Old 09-22-2011, 09:29 PM   #6
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Pain in the *** Internet. Only half my pics uploaded. But you should get the idea.
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Old 09-22-2011, 09:45 PM   #7
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I will post photos of the finished product a bit later on. My phone/app dont want to cooperate with me. Basically the pump pulls in the water and pushes it to the bottom of the container. The water then travels through the sponge then the ceramic rings to then poor out the two elbow joints that are hooked over the edge of the tank. I am testing it now and it's working great! I just wish the pump was a bit bigger. The flow rate isn't huge but it should be perfect for a betta tank.
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Old 09-22-2011, 10:41 PM   #8
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Finally!

Here are the pics of the finished thing.
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Old 09-22-2011, 10:45 PM   #9
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Looks nice!!! Haha
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Old 09-22-2011, 11:41 PM   #10
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Quote:
Originally Posted by Mumma.of.two
<img src="http://www.aquariumadvice.com/forums/attachment.php?attachmentid=52976"/>

I bought a cheep snap lock container. It doesn't need to be watertight because the water never reaches the lid. The size of it is definitely an overkill lol.

<img src="http://www.aquariumadvice.com/forums/attachment.php?attachmentid=52977"/>

PVC pipe.

<img src="http://www.aquariumadvice.com/forums/attachment.php?attachmentid=52978"/>

2 PVC elbow joiners

<img src="http://www.aquariumadvice.com/forums/attachment.php?attachmentid=52980"/>

Sponge

<img src="http://www.aquariumadvice.com/forums/attachment.php?attachmentid=52981"/>

Bio media I already had.

<img src="http://www.aquariumadvice.com/forums/attachment.php?attachmentid=52989"/>

A small (very very small) fountain pump from a fountain I was given and never use.
Where did you find a container like this. I can't find them anywhere
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