Help!!

[magicalmets]

Lately I have notice some brown algae I'm guessing growing in my tank rocks and even coral. I have no idea what it is. Can someone please help!!! i also did a water change and removed it all and now it's back again
Please advise

 

[arthurk0722]

pics?

 

[magicalmets]

Here are some pictures hope they will help.

 

[arthurk0722]

i cant really tell. but by the last pic maybe green hair algae thats on the coral.. but i dont wanna say the wrong thing ..

 

[magicalmets]

Terrible phone pictures. I was think red slime.