Posted 6 Months ago trap1981 Expert Boarder Posts: 131   Why are arrow crabs so stupid! another one died from the flow of a power head, keeps getting stuck on the infeed,,,,hay maybe its me thats stupid... I keep doing it! The administrator has disabled public write access. Posted 6 Months ago swift75 Expert Boarder Posts: 121   Do you have the intake protector/guard/strainer? Most powerheads come with one in the box... just use it. The administrator has disabled public write access.