overfiltering - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 10 Old 10-04-2009, 04:03 PM Thread Starter
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Exclamation overfiltering

is it possible to overfilter. i got the penguin biowheel 150 rated for up to 30 gallon aquariums. is that to big or should i switch to the biowheel 100? rated for up to 20 gallon
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post #2 of 10 Old 10-04-2009, 04:11 PM
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i dont think it matters as long as the current is not too strong for your fish.
I run a level up on both my aquariums..
My 5 gal has a 10 gal filter..
And my 10 gal has a 20 gal filter.

Trevor
Vancouver, B.C. Canada
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post #3 of 10 Old 10-04-2009, 04:49 PM
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Welcome to the forum, I agree more is better as long as it is not too much current for your fish.


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post #4 of 10 Old 10-04-2009, 05:10 PM
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I agree. Having too strong a current will stress out the fish. But being a single step up won't hurt, as the current difference will be quite small. Now overstocking by one or two small fish won't be that big of a problem anymore.

There's also the issue of practicality. Running a huge sump on a tank with small bioload is just a waste of money and space. Balance is always the key.

Your fish love watching you as much as you love watching them. So please practice responsible fishkeeping.
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post #5 of 10 Old 10-04-2009, 06:10 PM Thread Starter
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yah i did a little more resaerch and put a peice of a bottle around the filter outlet and it solved the current issue right up
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post #6 of 10 Old 10-05-2009, 02:06 AM
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Glad the issue could be resolved, just a random piece of info here, oscars and salt water reef swytems need atleast 10x filtration a hr because oscars are ccrazy dirty eaters and something about water quality for the reef systems.
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post #7 of 10 Old 10-05-2009, 06:25 AM
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Glad the issue could be resolved, just a random piece of info here, oscars and salt water reef swytems need atleast 10x filtration a hr because oscars are ccrazy dirty eaters and something about water quality for the reef systems.

Oscars need 10 times?!

TEN?!
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post #8 of 10 Old 10-05-2009, 09:53 AM
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Hello,

I've done a little research on filter flow rates and most of what I have observed both keeping and selling fish indicates that most "community" fish can handle flow rates as high as 7.5 cycles per hour (gph (US) divided by the aquarium size (US gal.)). That includes even semi-delicate fish like angelfish and black-water tetras.

Personally, I use filter that rely on residual flow. Consequently, the turnover of my systems is always high. For most of my tanks, the turnover is between twelve and 20 cycles per hour. Despite the turnover being so high, it has not caused any significant problems. In fact, I have had less problems with desease (no diseases for a few years now) and less maintenance issues.

MOA
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post #9 of 10 Old 10-05-2009, 11:07 AM
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Oscars need 10 times?!

TEN?!
yes, they eat a lot, make a big mess, dig like crazy, and poop a lot!
However they are supposed to have the most personality of any fish. People are actually able to pet their oscar, feed it out of their hand, and can even teach it to do different stuff. Quite a unique fish.

Trevor
Vancouver, B.C. Canada
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post #10 of 10 Old 10-06-2009, 12:10 PM
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I have two 30 gal submersible filtering units in my 45gal and two sponge filters (in case I ever have eggs from my angels) and I have had the best results leveling up like this also.

All of that good bacteria in the sponge filters- my opinion- does a world of good and the fish thrive. Since I've started using them a few years ago *knock on wood* I have never had to treat any of my fish for any ailments. Luck? lol

Proud owner of: 45g hexagon w/angels,red tail black shark,3 white clouds,2 white skirts and 1 glow light tetra. 2 bettas and two african clawed frogs. 1 spoiled dog,2 pampered kitties. One large male iguana and 3 lop ear bunnies. 2 red ear sliders.
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