feather duster on the move ??

[2boyz]

i have three feather dusters in my tank and one of them is either changing locatons or i don't know what ! it totaly came out of its tube and moved across the sand. is this normal or is it dooms day ????

 

[rbmount]

When mine came out like that it was doomsday. Watch yours if it does die get it out because it STINKS!