Is this an algae?

[KING KONG]

Is this a sort of algae on my rock? It looks like green patches

 

[Dan_P]

Is this a sort of algae on my rock? It looks like green patches

Is this the aquarium with bad smell?

 

[shootingstar_reef]

I wanna say yes? but it's very hard to see. not 100%

 

[KING KONG]

Is this the aquarium with bad smell?

Yup

 

[KING KONG]

I wanna say yes? but it's very hard to see. not 100%

I think this is the time I should introduce coralline on this rock, right? It looks like green patches on rock.

 

[shootingstar_reef]

I think this is the time I should introduce coralline on this rock, right? It looks like green patches on rock.

I don't know. I let coralline find its own way into my tank.

 

[Andreas' Reef]

is it the honeycomb type thing?

 

[KING KONG]

is it the honeycomb type thing?

Yess. Yesterday I saw pink coralline algae behind the rock so I think it is the starting of coralline growth