Red algae

[KQuillan]

Hi, need some onipions. I have a couple live rocks and some rubble.
The older rock has no issues at all but the smaller rock and rubble has red algae.
Why is this and what can I do?

 

[EeyoreIsMySpiritAnimal]

The pics are too blue to tell for sure, but it might be cyano...

 

[EeyoreIsMySpiritAnimal]

A Simple Guide To Common Problematic Algae And The Means To Control It..

As we all know algae is inevitable in both Marine and fresh water aquariums and if not watched and without proper procedures for removal can quickly turn a beautiful aquarium in to something that resembles a scene out of a old Swamp thing episode. Some are easy to control some are a non stop...

www.reef2reef.com

 

[KQuillan]

Here is a pic with better lighting.

 

[BroccoliFarmer]

Looks like cyano to me as well

 

[KQuillan]

Looks like cyano to me as well

Thanks. That's what I thought. Ugh.