Nano Cannister Filter (56 K W) - The Planted Tank Forum
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post #1 of 35 (permalink) Old 04-09-2006, 11:40 PM Thread Starter
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Nano Cannister Filter (56 K W)

HI Guys, I just want to share the nano cannister filter I've built based on the topics I've read here, some are really inspirig and worth to follow as example , one special mention to Curare and Wasserpest for their great ideas

I know it's a tiny tank and it could do well without filtration, but I confess I'm a filter freak and I think the HOB filter was short, so I've decided to build one myself.I used cheap epoxy plastiline (sp?) for the attachments

Here are the pics.

The Made in Mexico 1.234 liter plastic container :





I drilled a plastic piece to put it on the bottom, I supported it with a purple tube above the intake.This is for better intake water distribution.



Then goes a black rough sponge as first stage



The second stage (biological) is a bag of red lava rock (we call it "tezontle") sorry for the blur.



As last stage goes the Sera floss



The Astro 500 water pump on top







I put teflon tape to avoid leakings.



The acrilic pipes (I know they're not beautiful, I've bent them with sand)



I put a little black sponge on the intake to avoid baby shrimp suctioning



I noticed the flow was pretty strong, so I drilled the outake pipe as a "spray bar" LOL





Here the whole stuff, I put the mug just for you to see the size of the filter



As it is on test, I've put it inside a 5 gal bucket, to avoid wet carpet in case of leakings.



Now I have a question for you guys , I've noticed that the filter is not full of water, there is an empty space between the floss and top, do you know why ?



My best guess it is due to the diameter of the intake tube, maybe I need a larger one.

This is how the pipes look like, I will put them in the back of the tank as soon as the test stage finishes.



Well, that's all for now, I will keep you posted about the performance of the filter.

Thanks for watching the pics and reading this post.

My Low Tech 82 gal. planted Tank


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post #2 of 35 (permalink) Old 04-10-2006, 02:25 AM
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the reason there is a gap of air at the top of your filter is that is where the inlet and outlet pipes stop.

If they're flush with the top that won't happen.

Nice setup, just make sure it's all nicely sealed or you'll siphon your tank onto the floor!


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post #3 of 35 (permalink) Old 04-10-2006, 02:28 AM
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Just another thought...

mine, after filling up has a tendency to clear it's throat through the intake tube. just turn it on and off a few times and it will bubble back through the intake, and fill up


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post #4 of 35 (permalink) Old 04-10-2006, 03:52 AM Thread Starter
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Hi Curare, thanks for your input.

Quote:
If they're flush with the top that won't happen.

Nice setup, just make sure it's all nicely sealed or you'll siphon your tank onto the floor!
I've tried everything but the gap appears again and again, I don't know if I can let it as it is, I hope its safe.

I will leave the 5 gal bucket until I'm sure the filter has no leakings, 6 gallon in the carpet won't be nice at all, specially for the wife, LOL.I'm thinking about changing the container, maybe a 2 liter Coleman's or Rubbermaid container that has thicker plastic.

Quote:
mine, after filling up has a tendency to clear it's throat through the intake tube. just turn it on and off a few times and it will bubble back through the intake, and fill up
Yep, I've done that and works ok.

Thanks again for your thoughts on my filter (this is my fist attempt at building filters by the way)

My Low Tech 82 gal. planted Tank


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post #5 of 35 (permalink) Old 04-10-2006, 08:09 AM
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Mine too


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post #6 of 35 (permalink) Old 04-10-2006, 11:52 AM
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Very nice! You make it look so easy. . . . .

One Q: did you use equal sized tubes for the intake and return lines? REason I ask is on my odyssea cfs4 the intake is much larger than the return.

-Ernie


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post #7 of 35 (permalink) Old 04-10-2006, 05:28 PM Thread Starter
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Curare, hope you succeed in your first attempt too.

Ernie, thanks for your words, it was really easy, but I would like to replace the container for a thicker one. The intake tube is larger than the return tube.

Talking about the air gap, a friend of mine who read the post in a Spanish forum suggested me to add an air hose (the one we use for air pumps) on the top of the filter for the air to get out, put check valve and the hose to the aquarium, this way I rest pressure on the container, sounds like a good idea, I will do it ASAP and let you know how it worked.

Thanks for your input.

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post #8 of 35 (permalink) Old 04-11-2006, 12:55 AM
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Guillermo, mine has been working for some time.

About a month total now, she's just ticking away, heating the tank at the same time.

The filter is great, the tank isn't.


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post #9 of 35 (permalink) Old 04-11-2006, 02:14 PM Thread Starter
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Nice to read your filter is fine, the tank will be fine too, it's just a matter of time Curare, some tanks are slower to settle

Well I added the suggested air line, I'm still waiting for the epoxy plastliline to "cure" and get solid.





I'll keep you posted on how it works.

My Low Tech 82 gal. planted Tank


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post #10 of 35 (permalink) Old 04-11-2006, 02:17 PM
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Good luck, Guillermo!
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post #11 of 35 (permalink) Old 04-11-2006, 05:10 PM
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I've seen this done before, and would like to do it myself for a small 2 gal. nano.....

Problem is: Nobody discusses how they dealt with the electrical plug for the pump....?

Are You guys just cutting it to run it through the top and then just splicing it back together with wire nuts....or what?

Any help would be appreciated....


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post #12 of 35 (permalink) Old 04-12-2006, 12:52 AM
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I just cut the plug off, and re attatched the plug after poking it though the lid.

so easy, why didn't I think of it!

oh wait, I did.


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post #13 of 35 (permalink) Old 04-12-2006, 02:21 PM Thread Starter
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Thanks exmt, I will need it LOL.

Naja002, I just did what Curare said, cut the plug and re attach it, very easy.

Some people drill a hole and put a little device like this to pass and attach the wire, but the plug must be cut anyway.

http://www.kss.com.tw/e4/e4-7/m0710.jpg

I just used epoxy plastiline, maybe in the next project I will use those, and bulkheads for the water lines.

Talking about the air line, it is working very well until now, no leakings an the air gap is gone, I notice some air bubbles though, I guess it's because I'm still having the HOB working.I will still running the filter inside the bucket for some more time until I'm sure there will be no problem.

My Low Tech 82 gal. planted Tank


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post #14 of 35 (permalink) Old 04-12-2006, 04:00 PM
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Thanx for the replies. That what I thought was done....just seems like a fire-hazard. Was wondering if anybody had devised "A Better Way".

If You look at these threads--this one included--nobody shows pix of the spliced plug.....


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post #15 of 35 (permalink) Old 04-13-2006, 01:16 PM
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Well, I went ahead and built one yesterday for my 2gal. Red Ramshorn Nano.

Been wanting to do it for awhile. I used a Via Aqua 180 pump (80gph), 1.9 quart Lock n Lock container and filter floss.

I bought the Lock n Lock for this a couple of weeks ago, but already had everything else..

So far--its working Good!


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