Over filtered

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mortal
Posts: 6
Joined: 17 Aug 2006, 08:09

Over filtered

Post by mortal »

Can you over filter your tank?

I just bought this for my 45-50 gal tank:
http://cgi.ebay.com/Penguin-350-BIO-Whe ... dZViewItem

Is this too much, can it harm the fish?
Crazie.Eddie
Posts: 168
Joined: 18 Dec 2003, 02:50
Location 1: Illinois

Post by Crazie.Eddie »

Even though the 350 is not really that big, there's no such thing as overfiltration.
I ran a Eheim Pro II 2128 (rated for a 150 gallon tank) on my 55 gallon tank for several years, with no problems.
- Ed

125 Gallon (1*L018 Gold Nugget, 1*L204 Flash, 1*L260 Queen Arabesque, 5*Discus, 5*Angels, 5*Clown loaches, 8*Harlequin Rasboras, 3*Rainbowfishes, 5*Otocinclus, 7*Cories)
20 Gallon Long (2*L046 Zebras, 1*L183 Starlight Bristlenose, 10+* Cherry shrimp, 4*Otocinclus)
20 Gallon Long (20+* Cherry shrimp, 5*Amano shrimp, 2*Bamboo shrimp)
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MatsP
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Post by MatsP »

I agree with Eddie... There's no such thing as "overfiltration". That is of course not the same thing as "it's suitable for all fish" - there are many fish that will be unhappy with high levels of water movement (but I've never heard of any fish that was suffering from "too clean water") - most catfish are fine with high levels of current, so that wouldn't be a problem. Neon tetras are one example of "low-current" fish. They will suffer from stress and early death if kept in a high-current environment.

Finally, more filtration doesn't actually replace water changes. Better filtration will just make more efficient work of converting the fish-waste into less harmfull stuff (mainly Nitrate), but the waste-product's end-result is still in the water "forever", so you do need to replace some of the water regularly, whatever filtration you use.

--
Mats
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