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live rock brownish color

3K views 6 replies 4 participants last post by  knowbest 
#1 ·
i have live rock that has turned brownish color.there are so many answers as to why.anyone have a true answer.
 
#4 ·
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?
 
#6 ·
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.
 
#7 ·
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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