Wet/dry on top of tank

  • We are currently upgrading MFK. thanks! -neo
It is totally doable, but the reason it isn't done is that by having it beneath the tank, the water is filtered before it hits the pump. It makes a lot of sense to do it this way with a sandy substrate, or else you could ruin an impeller.

You will just need a prefilter for your pump if it's to be in the tank, which may also need cleaning from time to time.

Or use a pond pump. They are designed to chop up debris and have a cage around them to keep fish out. Small fish would still get through though.
 
Yep fish in the pump was my worst pproblem, lol. Ended up putting the pump in a box covered by a filter mat
 
I agree it will easily work like stated make sure it is braced ,and not laying on the braces.
 
Jhncf said:
I've seen videos and pictures of wet/drys that people have made out of the 3 and 4 drawer plastic storage drawers you can buy and was wondering if it would work on top of the tank? Use a powerhead to draw water from the tank into the top drawer and let it rain through holes drilled in the bottom of the drawers and eventually rain back into the tank through a big hole in the plastic lid? I know it would be ugly but I can't see any problems with it and there would be no chance of overflow seeing as the drawers wouldn't actually be holding water, it would just be raining through them and the media?
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Yes they use them big time in Asia, they call them overhead filters or ohf's.
http://www.monsterfishkeepers.com/forums/threads/overhead-filters.489343/ohf.jpg
 
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That's a lot prettier than mine lol but I try to build mine from free stuff or the cheapest possible, true ghetto filtration lol.

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Those are cheap and work good for wet/dry. If you want to avoid drilling 100000000000 holes in the bottom of the drawers you can cut the bottom of them off and leave a little lip for a section of egg crate to sit on.
 
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Here in Japan, it's one the more common types of filters.
I think it's the space saving design that makes it popular.
It's actually quite efficient as a bio filter, not so good at the mechanical.
Here's a pic of mine IMG_0528.JPG
 
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My 75 gallon overhead sump. It will safely carry 3 gallons without flooding.
Set up with a 200 micron 10"×10"x 8 filter bag. Diy sock.
Bio is done with 2 cups of fluidised sand, and and international pump
 
It is supported with 1/2" acrylic, that sits inside the cover lip.
I have read some where on this site, of some one with a 10 gallon tank, supported only with a 55 gallons glass.
I have seen some canopies that push 100 pounds plus.
 
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