red live rock growth.

[rastamang]

Can anybody tell me what this growth is?
http://www.photobox.co.uk/album/temporary

 

[premilove]

try posting the picture as an attachment. picture is not showing up

 

[rastamang]

i believe it is added.

 

[Mishri]

brown stuff on top looks like diatoms to me. purple/red stuff on the sides is coraline algae.

 

[rastamang]

are diatoms good or bad? and coraline algae is good right?

 

[pow400]

Diatoms come and go as your tank ages. While many people have different recommendations on how to handle them eventually they will balance out and stop appearing as rapidly as your tank ages. They are neither good nor bad ( could be wrong ) the worse they ever did to me was dirty up the glass on the tank.

The coraline algae also comes with age and is a good thing, colors up your live rock and is used as food for some species.