New Nano Canister Filter for Nano Tanks - The Planted Tank Forum
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post #1 of 19 (permalink) Old 04-03-2008, 02:55 AM Thread Starter
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New Nano Canister Filter for Nano Tanks

My son and I have been working on getting everything in place for building out a 125 gallon low tech planted tank. Along the way, we got a bit distracted running tests with plants, substrates, lighting and filtration in Nano tanks.

While playing with these "natural" planted Nano test tanks, pumping flow and filtration seemed to always be too much and when you place pumps and filters etc. into these small tanks it can be a bit of a visual distraction, so we decided to build our own DIY Nano tank canister filter.

This is a very simple project that will give you a really slick little canister filter. The hardest part was finding the small, robust, 6volt submersible pump that would fit into the lid. The reason I wanted a 6 volt pump was that I wanted to be able to run it off of a small solar panel, battery pack or plug in transformer. I found a manufacturer in China that made the perfect pump and they were kind enough to ship me two to play with.

You can view many photos of the final version of the Nano canister filter here:
http://picasaweb.google.com/Phil.new...CanisterFilter



Two modifications I might make.
1. Place 7.5 watt 120v heater into the canister
2. Replace clear curved down tubes with tubes running directly into the wall of the tank.

Any comments or suggestions are appreciated. Happy to answer any questions as well.

Phil

Last edited by erthlng; 04-03-2008 at 05:43 PM.
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post #2 of 19 (permalink) Old 04-03-2008, 03:01 AM
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Very cool, where did you get the canister?
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post #3 of 19 (permalink) Old 04-03-2008, 03:09 AM
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post #4 of 19 (permalink) Old 04-03-2008, 03:45 AM Thread Starter
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Do a search on Google for Otterbox 8000. I bought mine on eBay, but they are sold in many different places. It's a really rugged container.

The first time a saw it, I knew it had to be turned into a canister filter.

----

fshfanatic,

I'll write something up and get some more detail shots.
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post #5 of 19 (permalink) Old 04-03-2008, 02:13 PM
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Where were you two days ago when I bought my HOB filters for my nano tank? LOL now i wanna try this!

It would be cool to see a step by step procedure to do this.
I have a question though. Is the pump strong enough to push water back into the tank if the canister filter is below the tank? My gf built a water fountain with a similar pump but I dont know if its the same model but I know is that the pump that she had said that it can only push water up to a foot above it, anything more than that, then the pump will have a hard time pushing water.
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post #6 of 19 (permalink) Old 04-03-2008, 02:40 PM
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Very ingenious,and impressive.


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post #7 of 19 (permalink) Old 04-03-2008, 03:26 PM Thread Starter
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Quote:
Originally Posted by Raimeiken View Post
Where were you two days ago when I bought my HOB filters for my nano tank? LOL now i wanna try this!

It would be cool to see a step by step procedure to do this.
I have a question though. Is the pump strong enough to push water back into the tank if the canister filter is below the tank? My gf built a water fountain with a similar pump but I dont know if its the same model but I know is that the pump that she had said that it can only push water up to a foot above it, anything more than that, then the pump will have a hard time pushing water.
If I have some time today or this evening, I'll do a few tests and we'll see how high it will push the water.

I'll also put together some instructions and an inventory sheet. I don't think your friend was using this particular pump. There is one that is a similar size that is available on eBay, but the pump I'm using usually comes in a 120v configuration. The manufacturer in China (Skyish-zs.com) put this one together for me to run on 6volts.

-----------

lescarpentier,

Thank you. It was a great project.

The reason I built it was it seemed that all the other external canister pumps on the market were really too big for Nano tanks, plus with the six volt configuration it gives me the option to use different power sources, So I can put it into a window with a little solar panel and it will run the pump during the day, then move it to a shelf in the evening and run it off the house power or even a battery pack.
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post #8 of 19 (permalink) Old 04-03-2008, 05:53 PM Thread Starter
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I've put up quite a few more detail shots, so that everyone can see how simple this is to make. Take a look at:
http://picasaweb.google.com/Phil.new...CanisterFilter

-----

Raimeiken,

I also ran that test for you. Here is the setup...



If the amount of tubing was cut from two 10' pieces to two 4' pieces I think it might increase the gph from 16 to maybe 19 or 20. but even at 16gph, I was fairly impressed with what that little filter could do.
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post #9 of 19 (permalink) Old 04-03-2008, 06:41 PM
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erthlng, this is an excellent cansiter filter! Great work! I know someone has already requested it, but could you provide a more step-by-step instruction guide? I'm curious about the input and output barbs, your filter media, etc.

I would love to see a DIY type guide with pics, or written steps.
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post #10 of 19 (permalink) Old 04-03-2008, 07:06 PM
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that is one heck of a neat project. I really love what you've done and the way you built it, it really is clean. Almost look like a factory made or yet better. Maybe you should get it patented??? or copy righted? Just a few questions, what is your final cost after building it? and would you take orders?
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post #11 of 19 (permalink) Old 04-03-2008, 11:27 PM
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looks great! I really want to try this. How much did this all cost you to do?
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post #12 of 19 (permalink) Old 04-03-2008, 11:45 PM Thread Starter
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Lemuj,

Thanks. I actually had more complex plans for it including brass barbs and locking nuts and o-rings, etc., but the more I played around with it and then got some input from the folks at Skyish-nz.com on the pump they suggested based on the specs I sent them, it all started to come together. It got simpler and cleaner looking and I think it is a more robust design.

The biggest cost was the canister housing. It's an Otterbox 8000. It's extremely well designed, with a built in water seal. I got mine on eBay for around $16. They make larger boxes and smaller boxes as well. If anything, it is over engineered. Which I like.

The pump would probably run anywhere from $5 to $10. The person I was talking to at Skyish seemed intrigued by the project, so she only charged me for the shipping from China. There is another company on eBay that sells a pump and a solar panel of a similar size. I think they charge $25-$30 for both, including shipping from either Spain or Taiwan. I've used this pump on another project see: http://youtube.com/watch?v=HnuIfaJYIy4
The flow control is really bad compared to the Skyish pump that was used on this unit.

If enough people are interested in this design, I'm going to ask skyish if they would be interested in building something comparable based on this concept.

---

Charpark,

I'm going to try to put up an instruction sheet later tonight.


Phil
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post #13 of 19 (permalink) Old 04-04-2008, 12:18 AM
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Yes this is so amazing. Got to try it. Only thing is there a way to make the wire into a plug? Step by step instructions would be awesome like sites and such. If you take orders write me up.
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post #14 of 19 (permalink) Old 04-04-2008, 05:42 AM Thread Starter
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Sorry, did not have time to get the instruction sheet up tonight. I'll post it up as a separate thread on the DIY forum as soon as it is done.

Phil
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post #15 of 19 (permalink) Old 04-04-2008, 08:54 AM
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That would be great for all of us nano tank owners. Thanks for showing us the nice filter


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