DIY lily pipes - The Planted Tank Forum
 
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post #1 of 11 (permalink) Old 09-14-2011, 11:56 PM Thread Starter
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DIY lily pipes

I have a Eheim 2213 on the way and plan on making DIY lily pipes. I was wondering what size acrylic tubing I will need to make them? Please give OD and ID.
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post #2 of 11 (permalink) Old 09-15-2011, 12:12 AM
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Or you could simply measure the OD & ID of the eheim tubing.

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post #3 of 11 (permalink) Old 09-15-2011, 12:37 AM Thread Starter
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Originally Posted by dr3ww3rd View Post
I have a Eheim 2213 on the way and plan on making DIY lily pipes.
.....I don't have it yet that's why I was asking. Also I wasn't asking for the dimensions of the Eheims tubing, I was asking what size acrylic tubing to use for the lily pipes ID & OD
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post #4 of 11 (permalink) Old 09-15-2011, 12:57 AM
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1/2 to 9/16" ID

5/8" OD
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post #5 of 11 (permalink) Old 09-15-2011, 05:52 AM
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1/2 to 9/16" ID

5/8" OD
uh. no.

1/2" OD, the tubing on a 2213 is 1/2 inch. 5/8" will be too big and you won't be able to stretch it w/out breaking.

Get 1/2"OD and for ID, get whatever you want, just make it thick enough so that it'll still be rigid but not too thick that it'll be too hard to bend.


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post #6 of 11 (permalink) Old 09-15-2011, 04:03 PM Thread Starter
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Awesome. I got some acrylic tubing today that is 1/2" OD and 3/8" ID....does that sound like a good size to make the lily pipes out of? Basically I just don't want to get too small of an ID and it build up back pressure. If anyone has 13mm factory made lily pipes that could measure their ID and let me know that would be great. thanks
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post #7 of 11 (permalink) Old 11-29-2011, 01:52 PM
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Dr3,

Coming from someone who made them for a while, and I may start having some time to make them again soon; that'll be fine. I actually still have some 1/2" OD and 3/8" ID and it should be fine. Just make sure your bends don't flatten out too much, that'll cause back up more than anything.

I just noticed that your in Winston-Salem... not too far from Raleigh.


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post #8 of 11 (permalink) Old 11-29-2011, 08:14 PM
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3/8th ID is very small.... :X

We even sometimes avoid this in watercooling PC's with mag driven pumps...

isnt there a simpler way of coupling 1/2ID tube to 1/2ID tubing?
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post #9 of 11 (permalink) Old 11-30-2011, 12:20 AM
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Just make sure your bends don't flatten out too much, that'll cause back up more than anything.
If you were to fill the tubing with sand or some other material like that, wouldnt it help keep the round shape of the tubing while bending?


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post #10 of 11 (permalink) Old 11-30-2011, 01:27 AM
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If you were to fill the tubing with sand or some other material like that, wouldnt it help keep the round shape of the tubing while bending?
Sand would melt to the plastic. Salt would work better.

What would Honey Badger do?
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post #11 of 11 (permalink) Old 12-01-2011, 12:41 AM
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I made some DIY pipes for my 2213 and to keep the bends from distorting the tubing shape I used a round piece of electrical cord / wire that matched the ID of the tube. Coat the wire heavily with vaseline and you will get perfect bends. I experimented with salt and sand but found that some small amount of pitting and distortion of the round shape occured with both.
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