Cyano bacteria?

[KQuillan]

Is this Cyano? This is on someone else's rock, but I have a rock with some of this also. What is the best course of action?

 

[Bucs20fan]

Although I have no idea what it is, This looks like no cyano ive ever had or seen. Looks almost like a sort of red macro algae.

 

[KQuillan]

Although I have no idea what it is, This looks like no cyano ive ever had or seen. Looks almost like a sort of red macro algae.

I guess that is a good thing?

 

[Bucs20fan]

I guess that is a good thing?

Im not sure, but it could be.

 

[vetteguy53081]

Is this Cyano? This is on someone else's rock, but I have a rock with some of this also. What is the best course of action?

This is a sponge like substance known as foraminifera and will have to be manually removed
Best is to place rock in container of tank water and scrub with a firm toothbrush and 3% peroxide and return rock to tank

 

[KQuillan]

This is a sponge like substance known as foraminifera and will have to be manually removed
Best is to place rock in container of tank water and scrub with a firm toothbrush and 3% peroxide and return rock to tank

It's ok to do this with coral on the rock?

 

[vetteguy53081]

It's ok to do this with coral on the rock?

Yes and carefully- and skip the peroxide with the coral present.
You can try to press each with your thumb and see if it peels off