live rock brownish color - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 7 Old 04-15-2009, 06:33 AM Thread Starter
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live rock brownish color

i have live rock that has turned brownish color.there are so many answers as to why.anyone have a true answer.
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post #2 of 7 Old 04-15-2009, 11:45 AM
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How long as the tank been set up??

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post #3 of 7 Old 04-15-2009, 03:23 PM Thread Starter
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tank has been set up about 2 months with rock.fish only.all parameters are good.have 4 fish 2 angels,tang,clown.all get along.
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post #4 of 7 Old 04-15-2009, 03:34 PM
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sounds like diatoms, most new tanks will go through a phase of diatom growth (the diatom bloom), it looks like brown, rusty/dusty stuff covering your rocks and sand.

How big is your tank?

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post #5 of 7 Old 04-16-2009, 04:32 AM Thread Starter
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sounds like diatoms, most new tanks will go through a phase of diatom growth (the diatom bloom), it looks like brown, rusty/dusty stuff covering your rocks and sand.

How big is your tank?
tank is 72 gal.bow.
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post #6 of 7 Old 04-16-2009, 06:46 AM
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You are moving along way to fast. As a general rule, you should not add many fish until AFTER your diatom bloom has come and gone AND you are beginning to see some coraline algae growth. A diatom bloom is a sign of an unstable aquarium environment, regardless of the "cycle" that so many newcomers put faith in.

You will need to keep a very close eye on ph, alkalinity, and calcium readings for the next week or 2. I would consider testing every 3rd day and adding supplements accordingly.

Wow. You really have 2 angelfish in an aquarium that has only been set up for 2 months????!!!! This doesn't allow time for a good population of copepods and amphipods to develop and the overall system to stabilize, much less time for proper quarantine.
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post #7 of 7 Old 04-16-2009, 07:59 AM Thread Starter
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Originally Posted by Pasfur View Post
You are moving along way to fast. As a general rule, you should not add many fish until AFTER your diatom bloom has come and gone AND you are beginning to see some coraline algae growth. A diatom bloom is a sign of an unstable aquarium environment, regardless of the "cycle" that so many newcomers put faith in.

You will need to keep a very close eye on ph, alkalinity, and calcium readings for the next week or 2. I would consider testing every 3rd day and adding supplements accordingly.

Wow. You really have 2 angelfish in an aquarium that has only been set up for 2 months????!!!! This doesn't allow time for a good population of copepods and amphipods to develop and the overall system to stabilize, much less time for proper quarantine.
ok what are next steps to be taken.
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