Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Are dead zones a problem? (

Castro235 06-01-2010 11:01 PM

Are dead zones a problem?
Hey everyone, here to pick at your brains yet again with my amateur aquarium knowledge.

So, I have my 55 gallon set up, it is(still) very much in the set up stages, but the tank has an overflow that grabs water from about 1/2" from the top at one end, and a spraybar doing it's waterfall thing at the other end, both are in the back of the tank.

I have some fake plants, and java fern and moss scattered around the tank, and I can see that my java fern in a pretty big section of the tank(maybe 1/8 or so) is just completely immobile, so I would assume that with the way it's set up there is no water movement in this part of the tank at all.

Would this cause some of the water to get stale, or end up not being filtered, or anything else bad, or is it not really a big deal?

The tank will be for goldfish, so I'm not worried about them having a problem with low movement in the water, but I just don't know if it's a problem from a filtration point of view.

Thanks for any help!

iamntbatman 06-02-2010 05:32 AM

There's probably still some water movement, just not enough to cause the plants to visibly sway. Goldies do like a lot of oxygen in their water, though, so increasing water movement some might help (air stones if you want, power filters, maybe a powerhead aimed at the wall, etc.).

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