cloudy water at top of tank - The Planted Tank Forum
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post #1 of 5 (permalink) Old 08-02-2010, 12:00 AM Thread Starter
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cloudy water at top of tank

Ok so I have a 120gallon tank that decided to just come apart one day and flood my apartment. A crazy experience that i don't want to get into in this post but anyhow I got a new tank and I'm in the process of setting it up and the water is all cloudy but it looks like the cloudiness is mostly effecting the top 3-4 inches of water (the rest is also cloudy but not as much) I rinsed all the substrate pretty well and it has been sitting here for 2 days (without a filter) and it's still cloudy. I'm thinking it could be a bacteria problem. I'v got all the hard scape, substrate, and most of the plants in but no fish. I'm thinking of using this fungus eliminator stuff i have.
What do you guys think the cloudiness is caused by?
Do you think the fungus eliminator is a good idea for a new tank? will it hurt the plants?
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post #2 of 5 (permalink) Old 08-02-2010, 12:10 AM
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I wouldn't use fungus eliminator. I doubt it's fungus anyway. More likely bacteria or possibly dust from the substrate. ( I know you rinsed it, but still possible ) Likely it will clear up on its own once ammonia levels drop. It's also possible that a filter will clear it up. Junk like this can happen sometimes in a new tank.
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post #3 of 5 (permalink) Old 08-02-2010, 01:00 AM
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Sounds like bacteria since with no water movement the water will be anaerobic deeper so they are growing near the surface which has oxygen in it. Once you stick the filter on it will go away.
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post #4 of 5 (permalink) Old 08-02-2010, 01:19 AM Thread Starter
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will the bacteria be bad for my fish?
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post #5 of 5 (permalink) Old 08-02-2010, 03:16 AM
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If they are aerobic bacteria hanging in the aerobic zone in your water column, they could consume enough DO (dissolved oxygen) to cause stress / issues to your fish.
Agree with Postal Penguin, get even a cheapo filter to start, at least and airstone to mix the water column and provide some DO.
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bacteria, cloudy water, new tank setup

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