How to block HOB outflow?
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Old 10-10-2014, 07:24 AM   #1
Codzilla
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How to block HOB outflow?


I have an HOB whose outflow is pushing down on my pearl weed at the back and preventing it from growing into an even bush. The other thing is that I have a bamboo shrimp which needs some current since it filter feeds. However, I am using a reptile mesh as a cover and have cut out an indent for my HOB so it is fixed there and I am not planning to move it. So how can I block the outflow so it is not smashing into my pearl weed but giving enough current for my shrimp?

Thanks
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Old 10-10-2014, 10:48 AM   #2
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These should be useful.

http://www.plantedtank.net/forums/showthread.php?t=1832

http://www.plantedtank.net/forums/sh...d.php?t=366241
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Old 10-10-2014, 12:41 PM   #3
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Go to the dollar store and get a soap dish, the one with the suction cups.
Mount it up-side down and put a sponge or some filter floss in it.
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Old 10-10-2014, 11:48 PM   #4
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You could also try something like this if you could find something suitable.



This doesn't work great but at the rate this Crypto puts up leaves it should work better when it grows in more. You could use a suction cup to mount a plant beneath the HOB if there were a way to make it look clean.

Last edited by goodbytes; 10-11-2014 at 12:05 AM.. Reason: Add. info
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Old 10-11-2014, 12:54 AM   #5
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Cut a door out of the long side of a water bottle and attach it sideways over the filter to catch the flow. Leave the cap off and arrange the bottle so the cap is just below the surface of the water. If you need to, drill some small holes on either side of the filter's outflow and attach the water bottle to it with some fishing line or zipties. It efficiently re-directs the water in a smooth flow and creates great current through the entire tank. If I can find my camera, i'll put up some photos of mine later.
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Old 10-14-2014, 07:33 PM   #6
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Quote:
Originally Posted by JeremyM View Post
Cut a door out of the long side of a water bottle and attach it sideways over the filter to catch the flow. Leave the cap off and arrange the bottle so the cap is just below the surface of the water. If you need to, drill some small holes on either side of the filter's outflow and attach the water bottle to it with some fishing line or zipties. It efficiently re-directs the water in a smooth flow and creates great current through the entire tank. If I can find my camera, i'll put up some photos of mine later.

I 2nd this
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Old 10-15-2014, 06:10 AM   #7
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I'm thinking you could do the same thing with a piece of black pvc. Then drill holes at different angles if need be.
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Old 11-27-2014, 09:33 PM   #8
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Quote:
Originally Posted by caique View Post
I'm thinking you could do the same thing with a piece of black pvc. Then drill holes at different angles if need be.
I think the point of a plastic water bottle is that most have a few around, usually a few in the recycle bin (saves cash )
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Old Yesterday, 04:59 PM   #9
sherryazure
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Default Re-directing outflow.

I am long out of having aquariums, but when I had this issue with bettas (both my own and many "rescues") and the outflow would tear her longer then normal female betta fin (save for large globes, old box filter style) - I experimented with different things. (In some, I took out the bio wheel - would get clogged so on, as there are *other ways to create a balanced tank. I grew up with Dr. Innes having read his books as a child).

*(one of which was bio bugs from some company that cleaned up ponds so on of algae - although a small amount in balance I liked as can assist in creating foods, water balance. I have saved that link somewhere as the biologist/manager sold me a small amount and amazing!)

First thought is move it to one end - where their are longer plants to hide it. The outflow can later be directed along the back - it will circulate and create areas of rest where certain fish may not like the force of the outflow. (or as some of mine did like to play in it and then rest in other areas - I had a betta in a 75 that would do so under huge outflows - created to make a "falls" effect over rock formations I made. But it tore her tail so had to remove her to a 20 long) (or globe)

Not sure what it is called but the plastic mesh that is used in needle point. About 1 foot square and comes in many colors. I choose black since my backgrounds were painted (on the back) black dark blue to hide my suction cups which held wood and other things in place. (hang on back rock formations I made out of various plastics and real rock).

I would cut these into shapes, wide enough to fit the outflow - and long enough to tuck under the basin of the filter (area where water is before it comes out). This plastic is easily shape-able. (can just hold it in hot water to create a fold, or briefly over hot stove).

I would then cut slices along the front ends (which would hang out into the water) from front to back (but not all the way as the main margin holds the piece together).

(slices - imagine cutting strips along one side at desired length and width of each but leave area in back which will hold them together)... Then EACH can be bent - up, down so on to really control water flow.)

Then I realized these could be layered - one on top of the other until the flow direction was as desired. This may seem ugly but it worked and I then put some plants in front.

I had tried suction cup soap holders (the clear plastic was glaring against the dark background, and it took up too much space). The mesh can be made any size as needed.

Or I would drill a small hole into driftwood with moss on it, then thread black tie through it and around a suction cup. (small black one from old filter). I would then place this as needed to re-direct the outflow.

Here are what's left of photos on flickr. If you look closely at one set up with needle leaf java you can see the black mesh in the background. In another almost hidden there is the hob with mesh (long with wood and anubias other plants) All wood suction cup method. I used this mesh for many things.

Sorry not sure how to post photos here.

https://www.flickr.com/photos/214308...7626963975954/


Plastic mesh (any hobby store, even Walmart)

http://www.amazon.com/s/?ie=UTF8&key...l_7tdwucggdn_b
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