Is something wrong with my acans?

[Spaceshrimp]

This is along the edges of the acans

 

[AZMSGT]

Why do you think something is wrong? Please explain your concerns.

They look a little deflated but that could be due to any number of reasons. Flow, something touching them.. anything.

 

[Spaceshrimp]

Why do you think something is wrong? Please explain your concerns.

The edges has something fluffy looking that brown

 

[AZMSGT]

How old is the tank? Could be diatoms.. hard to tell with that picture.

 

[Spaceshrimp]

How old is the tank? Could be diatoms.. hard to tell with that picture.

Its 10 months old and it almost looks like a sponge there are other areas in the tank that has a similar looking thing