Rock turned black
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Rock turned black

This is a discussion on Rock turned black within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> I picked this rock up from the sand in my tank and it had turned black and smelled horrible, Im guessing this is from ...

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Old 12-30-2010, 06:00 PM   #1
 
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Rock turned black

I picked this rock up from the sand in my tank and it had turned black and smelled horrible, Im guessing this is from the anaerobic bacteria or whatever but why is the rock black?
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Old 12-31-2010, 03:52 AM   #2
 
WhAt I can tell you is that yes, that's from anaerobic bacteria, what I can tell you is why
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