What is the black stuff in my refugium?

Llama 72

Member
Just saw this. What is it and what do I need to do?
 

Attachments

  • 17196955043565116740156430674861.jpg
    17196955043565116740156430674861.jpg
    1.9 MB · Views: 16
Looks like a slime algae of some type. Getting rid of it in a fuge may be difficult as it will likely start out competing the macros for nutrients.

Perhaps increasing flow and regularly siphoning it out.
 
Back
Top