white rocks turning brown? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 9 Old 03-11-2007, 01:18 AM Thread Starter
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white rocks turning brown?

i have scattered white rocks in my 10G and they are turning brown/becoming dirty.

is this some form of algae or just a natural occurrence?

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post #2 of 9 Old 03-11-2007, 03:30 AM
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It could be diatoms. Take one out and see if it comes off really easy. If it does it is diatoms.
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post #3 of 9 Old 03-11-2007, 03:53 AM Thread Starter
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so what can i do to combat this?

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post #4 of 9 Old 03-11-2007, 03:57 AM
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If the tank is less than 9 moths old just give it time and it will go away. If the rocks are less than 9 months old same thing. If it is an older tank then it may be an issue of circulation. It could also be a silica ornament that you have added to the tank recently that the diatoms feed off. I added a painted and fired ceramic ornament and for the first 4 weeks it grew massive amounts of diatoms because of the glass finish.
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post #5 of 9 Old 03-11-2007, 04:05 AM Thread Starter
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cool. the tank is relatively new... had it up and running since november. hopefully it goes away fairly soon lol

i do have a ceramic and fired decor in it. and it is a little heavier on that

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post #6 of 9 Old 03-11-2007, 04:46 PM
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Give it some time and make sure that you have some circulation around it. If there are any dead spots they will get it a little worse. My BN plecos ate it and I think otos will eat it so it might be a good thing in the short run.
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post #7 of 9 Old 03-11-2007, 04:52 PM
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Originally Posted by fish_4_all
Give it some time and make sure that you have some circulation around it. If there are any dead spots they will get it a little worse. My BN plecos ate it and I think otos will eat it so it might be a good thing in the short run.
otos love it, i see a dot of diatoms one day, the next its gone, with only one .5 inch oto in the tank.
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post #8 of 9 Old 03-11-2007, 07:41 PM Thread Starter
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well maybe after i move next week ill get an oto or pleco for it.. thanks guys

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post #9 of 9 Old 03-17-2007, 08:02 PM
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I read somewhere that if your rocks turn brown, it could be a lack of oxygen in the water.
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