Hi there, my tank has been running for about 2-4 months now and in getting this brown algae type of stuff on the rocks and sand bed. Does anyone know what it is? It wont scrape off the rocks with a tooth brush
Algae identification
- Thread starter Shane_Dussault05
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Looks like diatoms to me. It's typically the first type of algae you'll see in a new setup. I wouldn't worry about it. Once your copepod population grows they will eat most of it.
It's not one of the bad kinds of algae. If it starts to look more like three-dimensional, brown goop with bubbles in it, then I'd be concerned about dinoflagellates.
It's not one of the bad kinds of algae. If it starts to look more like three-dimensional, brown goop with bubbles in it, then I'd be concerned about dinoflagellates.
Subsea
7500 Club Member
Shane,Hi there, my tank has been running for about 2-4 months now and in getting this brown algae type of stuff on the rocks and sand bed. Does anyone know what it is? It wont scrape off the rocks with a tooth brush
Would you take a full tank shot in white light?
“It wont scrape off the rocks with a tooth brush“
Can rock be removed from tank? I use peroxide with toothbrush to sanitize undesired organisms.
PS: See if this helps you identify your algae.
Reef Cleaners
A good guide to identify most of the nuisance algae that plagues the hobby. Complete with pictures and suggested treatments
Also, help us help you by providing details of your system. Consider starting a tank journal in members tank forum.
Important details:
Where did rock come from and how did you cycle your tank?
Last edited:
RabidDragon
Active Member
welcome to the "ugly stage".
ultimately, all the surfaces will be covered in bio-film (you want this), don't expect your rocks to stay their original color.
ultimately, all the surfaces will be covered in bio-film (you want this), don't expect your rocks to stay their original color.
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