Talk:Cryo Cannon Turret/@comment-5899671-20130321225241/@comment-71.63.229.100-20130720011515

you do not have touse the 200,000 thorium to change a turret into a cryo, you need 200,000 thorium to upgrade it to the next level in the defense lab, but it requires no thorium to attatch it to a defense platform.