Ancora hamer

[leyse90]

an orange ancora hammer.
after he didn't really open properly anymore, I gave him a bath in the dip. after the dip I see a black line on the skeleton of the coral.
is this normal ?

 

[leyse90]

an orange ancora hammer.
after he didn't really open properly anymore, I gave him a bath in the dip. after the dip I see a black line on the skeleton of the coral.
is this normal ?

Before the dip