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Author Topic: help me with my new Fluval 20-50gal HOB filter  (Read 2809 times)
jerbra0724
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« on: July 20, 2016, 07:42:12 PM »

hey everyone, i have a new fluval hob filter i just bought from petsmart a few weeks ago.  my water cleared
very quickly after having many months of cloudy water in my 45 gal tank.  the problem i am having now is the
filter media is lifting and pushing the lid off the top of filter, the flow is also very slow, and it appears that water
is pouring through where the suction tube sits in impellar.  i tried taking it apart and putting back together but
same results.  please help
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russ
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« Reply #1 on: July 20, 2016, 10:24:10 PM »

Which media is causing the issue? It sounds like this is causing the water to 'channel' and not exit properly. Please describe how you set your filter up in as much concise detail and considerations as possible. Example - did you place the sponge on the bottom of the basket, dry or pre soaked? (Things like that).


* No color image.jpg (2.99 KB, 76x70 - viewed 114 times.)
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jerbra0724
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« Reply #2 on: July 21, 2016, 08:19:28 AM »

hi, when i first set it up a few weeks ago, i put the sponge at the bottom, which i wet with water from tank, then the carbon, then the bio max bag.  its lifting up and pushing the lid up. flow is very slow, and water is pouring into tank from suction tube area
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russ
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« Reply #3 on: July 21, 2016, 07:10:11 PM »

Truth be told, I have not never experienced this with Aqua Clear filters I put in operation and have really not heard of this happening to anyone. I can perceive it might happening though. If the manufacturer can't provide a favorable relief, I have an idea................

Start with two clean, plain metal paperclips. The media basket has many louvers along each side. Fashion each paperclip so that it bends and anchors into one of those louvers on each side, then bend each paperclip end to penetrate into the sides of the sponge. that should hold the sponge in place, which I suspect to be the most viable culprit. Is it a pain when it comes to cleaning time? I guess a little, but it is better than spending more dollars on a different filter altogether. 

Option two...........Get rid of the sponge. Replace it with rolled quilt batting material. This can be obtained from any fabric department or shop and is much much cheaper than standard aquarium filter floss, plugs, or cartridges. Below is a link to what I am referring:

http://www.fishlore.com/fishforum/attachments/cleaning-maintenance/63986d1322557424-need-help-suggestions-quilt-batting-material-batting-material.jpg


* badmans_logo_small.jpg (32.1 KB, 300x349 - viewed 106 times.)
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TwoTankAmin
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Tanks: 20- from 5.5 to 150 gals.
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« Reply #4 on: July 22, 2016, 09:04:07 AM »

Just rinse out the sponge in a bucket of tank water. Floss needs to be changed regularly, sponges last for years.

The lifting is being caused by the sponge becoming filled with particles. This reduces flow through it which means the sponges is being pushed up.
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russ
Whoa. Where did I put all my stuff?
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I know where rasaqua's stuff is.....


« Reply #5 on: July 22, 2016, 04:59:42 PM »

.............Or what TwoTank said  happy
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"For every difficult question, there is an answer that is clear and simple and wrong."
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