The Tempmem power allows you to give a user the member rank for a fixed amount of time.
To make a temporary member, private chat the user you wish you temporary member and type "/mb?" whereas ? is the amount of time you wish to make them member.
Example: Typing /mb2.5 will make a user temporary member for 2.5 hours.
You must be a moderator or above to use this power.
Note: The maximum time that you can temporary member someone is 24 hours.