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Old 05-14-2018, 05:24 PM   #1
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Bubbles on my rocks

I have bubbles all over my saltwater rocks inside my tank. I have a dogface puffer in the tank. What does that mean. Is there something wrong with my tank. Here is what my tank looks like Click image for larger version

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Old 05-14-2018, 05:41 PM   #2
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Cyanobacteria. Thrives in low flow areas of the tank. Add and adjust the powerheads to get more flow going on.
Secondly large water changes to begin addressing the nutrients in the water column.
Is there any water falling or trickling into the system? This would create air bubbles that will cling to rock and algae.

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Old 05-14-2018, 09:58 PM   #3
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The bubbles are the algae 'pearling' IMO ...
I would turn your lights down since I see no corals demanding high light.
Shorter light cycle may help in eradicating the algae also along with water changes ..
Any idea what your PO4 is ?
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bubble, bubbles, rock, rocks

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