Brown algae not green. When will it turn green?

Hello everyone. this is my first post here in algaescrubber.net I just wanted to ask you guys if this is normal. I made an algae scrubber "DIY" and run it for a week and this is the result. brown algae not green. Is this normal? Im using an LED red and blue par38 light. when do you think the green algae will come out? need advice and help please.


thank you!Attachment 7243

Welcome.

Yes is normal for very high nutrients, when the light is not strong. Scrape it all off so you see the screen again. And run the light 24 hours and add more light if possible.