Help- Weird white mold like substance - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 06-12-2006, 03:12 PM Thread Starter
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Help- Weird white mold like substance

I have a 29 that has been up and running for several months. There is a section of the substrate and on some of the driftwood that looks like there is a whiteish mold growing on it. It is not evenly across the bottom of the tank though, just towards the middle.

Also, I've had ghost shrimp that are dying, but fish seem to be okay. Any ideas what could be going on or if I shold be concerned?
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post #2 of 7 (permalink) Old 06-12-2006, 03:19 PM
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Do you have DIY CO2? I've seen something that kind of looks like mold when the sugar/yeast mix spills into the water. Is that it?

Also, a picture is worth 10,000 words in this case. Can you take one and post it?


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post #3 of 7 (permalink) Old 06-12-2006, 03:49 PM Thread Starter
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It is low tech, so no CO2.
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post #4 of 7 (permalink) Old 06-12-2006, 07:35 PM
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I seen a couple post on this before on the forum
here is one of them Some fungus
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post #5 of 7 (permalink) Old 06-13-2006, 12:07 AM
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I introduced some new Manzanita wood into my tank. You can see the wood in the sig pic. After about two weeks in the tank an opaque white mold appeared. I still have some white lines where this mold (which looked alot like bread mold) was on about one third of the root burl. Some folks said it would go away in a week, but it was so large it took closer to two weeks to all go away. That said, there are these white lines (like creases) where it still is white, but slowly diminishing. The white lines are a residue of the dead mold. The mold won't hurt the fish and I doubt it was the cause of your ghost shrimp's demise. Shrimps and snails and some loaches do eat this kind of stuff after it dies. But not while its flourishing.





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post #6 of 7 (permalink) Old 06-13-2006, 05:20 AM
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I was a part of Betowess' thread on this topic the last time it was dicussed. Since I started actually paying attention to it, I have observed that every time I introduce a new piece of driftwood into my rubbermaid soak tub, I get this film on all of the pieces no matter how long they have/had been soaking. After a few days I remove this film and it never comes back, well, at least until I introduce new wild driftwood into my soak bucket.

I haven't added a new piece of driftwood directly into a tank that I can recall, so maybe this isn't help to you, but I haven't had any post-problems with fish/shrimp/plants that I can remember.

When I was trying to figure out a root-cause of it all, I didn't get very far in my research. I did find my observations on the internet of people saying that weird parts of their tanks got covered (substrate areas, certains rocks, plants, etc). I didn't read any accounts of any actual health problems though.

I am not sure if this is helpful or not, but just figured I'd share what I found... is-all
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post #7 of 7 (permalink) Old 06-13-2006, 04:13 PM Thread Starter
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Thanks everyone. I am feeding frozen baby brine shrimp since I have several babies in the tank. Maybe I am feeding too much and it is collecting on the bottom and growing mold. It isn't that hard to suction out, but it has come back. Glad to hear it shouldn't have impact on the health and happiness of plants and fish!
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