Why does the scrubber algae turn brown

Jyetman

Active member
After I clean the screen the algae grows dark green especially on the sides and bottom. When the 3rd or 4th day comes the top part of the algae starts getting brown streaks why is this? What can I do to keep it always growing dark green and thick?
 
After I clean the screen the algae grows dark green especially on the sides and bottom. When the 3rd or 4th day comes the top part of the algae starts getting brown streaks why is this? What can I do to keep it always growing dark green and thick?

In the advanced topic forum there are a couple of algae scrubber threads stickied at the top. I recommend you post your question there, with a picture if possible, you'll have a much better chance of having the algae scrubber experts seeing and answering your post.
 
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