Algae ID

[1fishkeeper]

Good morning reef geeks. So I am totally stumped on trying to ID an algae I have in my tank. It is on rock that got moved over from my old tank that was running for 5+ years. If I had to guess this is some genetic mutation hair algae. Nothing I do seems to kill it off and nothing eats it. I have hit it with hydrogen peroxide and it turns gray for a few days then right back to green clowning in the current. I done a Flux treatment and I never even fazed it. Snails crabs and tangs will not touch it. Let me know what you think it is and I am to the point that I’m willing to try just about anything.

 

[stE25wy14]

nice coral
but whites please

 

[1fishkeeper]

nice coral
but whites please

This is as white as I can get it.

 

[stE25wy14]

first thought, freshwater moss balls, but thats not possible
so maybe gha?

 

[1fishkeeper]

Well I started a second round of ReefFlux and so far no change to it. I also hit it again with hydrogen peroxide and nothing. I am almost to the point where I am just going to pull the rock and break the corals off of it.

 

[stE25wy14]

Well I started a second round of ReefFlux and so far no change to it. I also hit it again with hydrogen peroxide and nothing. I am almost to the point where I am just going to pull the rock and break the corals off of it.

well, if its not spreading and not killing/irritating anything, I think you are fine!

 

[1fishkeeper]

well, if its not spreading and not killing/irritating anything, I think you are fine!

It's slowly spreading very slowly but it is.

 

[stE25wy14]

It's slowly spreading very slowly but it is.

can u scrub it off?

 

[1fishkeeper]

can u scrub it off?

I took a toothbrush to it and it doesn't scrub off. Even pinching it and trying to pull it and it really doesn't rip or pull up. I think I might have ID'ed it as Derbesia algae.