red stuff on tip of coral?

[cbrjenkins]

I was looking at my frag rack and noticed the tip of one of my corals has red on it, any ideas?
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[ralph atl]

hard to tell from photo, but cyno might be it.

 

[cbrjenkins]

I thought that also. Is it possible for cyano to only be on one coral and nowhere else in the tank?

 

[ralph atl]

cbrjenkins;472061 wrote: I thought that also. Is it possible for cyano to only be on one coral and nowhere else in the tank?

possible albeit unlikely. See if it pulls right off with some tweezers? Should pull off like a flexible sheet (might break apart though).

 

[cbrjenkins]

just tried, it doesn't, its kind of like its attached to the coral:confused2:

 

[mvm]

cyano. No doubt. If there is a little die off on the tip of a coral, the excess nutrients will cause cyano growth there.