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Best filter current killing method I've found


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#1 Haiku

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Posted 01 April 2005 - 08:40 PM

I posted about this before in a reply to someone else's thread, but I decided to give it a shot today instead of the filter foam/nylon methods I've tried so far. It works beautifully. Here's the page that gives the instructions:

http://www.petfish.net/currentkill.htm

I didn't even need tape to hold mine in place, probably because my filter outflows are smaller and it curled around enough to hold itself in place. It's actually not that unsightly either. With the tank hoods on, and my tanks on my desk with the water line a bit below eye level, I can't even see them unless I duck my head down lower. There is a slight current at the top where the water pushes out the sides a bit, but none whatsoever below where the fish are swimming most of the time.

Here are a few pics of mine.

With lids off:
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Orion's (he's fascinated by this new thing in his home, he's even swam back and forth through the little "tunnel"). The bio-wheel does spin normally with it there.

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Draco's, could probably have cut his a tad smaller but it works nicely as is


They can swim right under it and not get blown around
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Orion's bubble nest in the other corner isn't even disturbed.

These have been a nice solution. I was about ready to give up on any filter at all in Draco's tank because he clamps up and hides at the least bit of current.

Edited by Haiku, 01 April 2005 - 09:18 PM.


#2 BettaMomma

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Posted 01 April 2005 - 09:06 PM

OH MY DEAR GOD.
I thought (when I read the title of this) that you were going post the most recently found best way to kill a fish.

LOL

#3 BettasRFriends

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Posted 01 April 2005 - 09:12 PM

Hey Haiku, in your first picture, is the filter part of the 5 gallon hexagon? I've been trying to slow down/stop the current and I finally found a solution thought not as well as yours. I put a layer of thin spong (extremely clean cuz i boiled it and whatnot too) outside and inside where the current goes out to and thus Mayo could finally build his bubblenest now. I shall try yours asap. :thumbs: great idea thanks

#4 Haiku

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Posted 01 April 2005 - 09:21 PM

OH MY DEAR GOD.
I thought (when I read the title of this) that you were going post the most recently found best way to kill a fish.

LOL

Oh my God! *look of utter horror* I changed the title. I didn't even think of it being read that way! :*)


BettasRFriends, that filter came with the tank, it's actually an Eclipse 3-gallon system. I had tried filter foam too but I worried about it clogging things up and there still seemed to be some current down below. This way is working really nicely. Orion's working on his bubbly nest some more right now :wub:

#5 OohFeeshy

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Posted 01 April 2005 - 09:25 PM

Alternatively, if you have an internal filter, you can sometimes make a remote output valve (altough this depends on the shape of the output valve.)

#6 BettasRFriends

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Posted 01 April 2005 - 11:20 PM

I agree wtih BettaMomma about the title thing. It wasn't till I actually read the article and think about the title that I actually got it LOL. I remember those times when Mayo couldn't build a bubblenest because of the current but now he's making one of his biggi bubble nests =]

Edited by BettasRFriends, 01 April 2005 - 11:21 PM.


#7 mm_simb

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Posted 01 April 2005 - 11:24 PM

I haven't tried it yet but will today or tomorrow. I have to clean the tank and I'm going to do it after I clean it. It's good to know that it actually works though. :nod:

#8 Haiku

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Posted 02 April 2005 - 12:32 AM

I agree wtih BettaMomma about the title thing.  It wasn't till I actually read the article and think about the title that I actually got it LOL. 

I think it's like one of those situations where you are sitting there thinking about something, and suddenly comment on what you're thinking, but what you say doesn't make any sense to those around you because they had no clue what you were thinking about. I'm sure I would have read it the same way had I seen someone else post that.

It was originally titled "Best current killing method I've found" for people who didn't see it originally :*). I can't believe I did that, I was totally caught up in thinking about filter currents at the time :*). I hope it helps those of you who have been looking for a better way to slow down the filter currents :)

#9 mm_simb

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Posted 02 April 2005 - 08:40 AM

It was originally titled "Best current killing method I've found" for people who didn't see it originally :*). I can't believe I did that, I was totally caught up in thinking about filter currents at the time :*). I hope it helps those of you who have been looking for a better way to slow down the filter currents :)

lol :lol:
Ok now for my question, did the plastic thing get sharp edges where you cut it? If not, what did you cut it with?

#10 Haiku

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Posted 02 April 2005 - 03:12 PM

Ok now for my question, did the plastic thing get sharp edges where you cut it? If not, what did you cut it with?

I made sure the cut was clean and not jagged. I worried a bit about the edges too but I went ahead and tried it. Both fish have swam against them, through them, etc, and no tears or rips. I think it should be ok as long as the edges are smooth and not jagged. I used thick heavy duty cutting sheers to cut mine. If you were really worried about it, maybe there'd be a way to melt the edges a bit using heat? Like holding a lighter up along the edges briefly. Just a thought.

#11 WhispTech

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Posted 08 April 2005 - 04:06 PM

Good idea. I went and built one for my 6 gallon tank but I bent and cut sections so that the one side would have a wall so that teh water flows out the side towards the tank. Thie made the water pretty still.

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Edited by WhispTech, 08 April 2005 - 04:10 PM.


#12 Haiku

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Posted 08 April 2005 - 05:22 PM

Glad it worked well for you! I love mine. Both my boys are very happy now with virtually no underwater current. The water surface is disturbed enough to keep that scum from developing at the top of the water, but not so much that they can't make bubble nests. :) Best of all, I don't feel like I'm obstructing the filter any this way.

#13 FishyLoveBug

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Posted 08 April 2005 - 06:00 PM

I tried this earlier today and thought the edges were kind of sharp. Unless they swam right into it I dont think it would cause any harm right? :unsure:

#14 Haiku

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Posted 08 April 2005 - 06:41 PM

I worried about it some but put them in and even when they swam right into it and their fins brushed by the edges, nothing happened (I made sure there were no jagged edges though).

BUT, that said, I STILL worried, so I took a lighter (I don't smoke but I have one around to light candles) and ran it along the edges to melt the edges down slightly. I don't worry at all now :)

Edited by Haiku, 08 April 2005 - 06:43 PM.


#15 mm_simb

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Posted 08 April 2005 - 06:57 PM

Well I tried it and it's a lot better than what it was before. He can swim across the tank without being blown around by the current. He doesn't even pay attention to it either. :nod: :thumbs:

#16 Zeb

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Posted 21 May 2005 - 05:10 AM

just a thought.....

if you are worried about sharp egdes,
take a length of air hose (same length as the edge)and carefully slice down one side of it with a craft knife.

not tried it but it should be easy to slot ithe edge of the plastic bottle into it...


hope you understand what I mean,I'm not the best person in the world at trying to explain things

#17 fishwatcher

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Posted 24 May 2005 - 01:23 PM

I wonder though, if cutting down the current will effect the filtering of the water, or the amount of air in it??

#18 OohFeeshy

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Posted 24 May 2005 - 04:41 PM

It doesn't matter about aeration. Bettas are labyrinth, remember?

#19 platyperson

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Posted 24 May 2005 - 06:06 PM

lol, whos labyrinth?
Bettas are anabantoids, they can breathe air directly from the atmosphere with the help of their labyrinth organ XD
EDIT:Sorry, i just have a habbit or correcting the tinniest of all mistakes XD
It wont happen again!!! :D

Edited by platyperson, 24 May 2005 - 06:07 PM.


#20 Haiku

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Posted 24 May 2005 - 08:24 PM

Just a little update, my original current blockers are still in place and doing a great job. Both of my little 3g Eclipse tanks have cycled now (with the blockers in place) but they also have bio-wheel systems so that probably helped. Bettas and plants seem quite content :). Both have pretty nice bubble nests going too :wub:

#21 fishwatcher

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Posted 24 May 2005 - 09:20 PM

I was referring to using them on tanks with other fish... sorry! :*)
Will it take too much air out of the water for guppies/ tetras/ etc?

#22 daudy_dojo

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Posted 25 May 2005 - 10:14 PM

anyone come up with a thing to put over bubbles yet... i have a box filter powered by a airstone and it moves freckles' water alot!

#23 Haiku

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Posted 26 May 2005 - 01:04 PM

Fishwatcher, I've only ever kept bettas and am pretty amateurish to what is needed for other fish, so I'm not completely sure on the answer to your question. I do know that it's the same amount of water coming out through the output, but it's dispersed to the sides and doesn't fall straight down into the tank (creating an underwater current). I *think* someone mentioned putting a blocker into a community tank that had a betta in it and I don't remember them having a problem but I can't say for sure. Perhaps if it was a worry, you could also add an air stone?

As far as blocking movement on the air stone, I don't have any answer on that one.

Edited by Haiku, 26 May 2005 - 01:04 PM.


#24 wheelyfeet

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Posted 11 January 2006 - 08:49 PM

I posted about this before in a reply to someone else's thread, but I decided to give it a shot today instead of the filter foam/nylon methods I've tried so far. It works beautifully. Here's the page that gives the instructions:

http://www.petfish.net/currentkill.htm


This is an old, but interesting thread. I used another method to obstruct the current in my Eclipse 3. This is much simpler than what I did. The how-to link is out of date.

Here's the new link: http://www.petfish.n...currentkill.php

#25 Sanadi

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Posted 09 March 2006 - 05:14 AM

never mind, just found the new link its late so I sort of skimmed over the last few posts. ^_^

Edited by Sanadi, 09 March 2006 - 05:16 AM.


#26 Phaedra

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Posted 01 April 2007 - 04:01 AM

Forgot to thank the OP for the great info on cutting the output- Thank you!

On a side note though, is anyone else having problems with the plastic shifting after setting the hood down? I have an Eclipse 3 and I can only seem to get half of the current cut, since the plastic sort of gets scooted to the left when I close the hood over it. I've tried taping it and nothing seems to work. :unsure:

Edit: I've since figured it out. Gave it a good old fashioned trimming and now it's working like a charm! :wub:

Edited by Phaedra, 02 April 2007 - 02:31 PM.


#27 oldman377

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Posted 03 April 2007 - 09:55 PM

Well that's a realy nice thing to add to a filter. I wish i had done that
when i had bettas.. They would have had an easier life.. I was
trying some floating stick thing and it failed.. Thank you for posting the
link, wheelyfeet.

#28 kalihat

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Posted 24 August 2007 - 02:01 AM

I know this thread is old. But I recently got a 2.5 gal for my betta and i want to do this with my filter, but the link no longer works! Can anyone tell me how to do this? My little Patton would be oh so happy to know!

Thanks! :D

#29 Benauld

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Posted 25 August 2007 - 03:05 PM

Look four posts above yours...

#30 Chrispixx

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Posted 13 December 2008 - 10:31 PM

Anyone concerned about sharp edges after cutting the plastic, i used sandpaper to smooth out the cut plastic edge.
I am using two of these and they work great.




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