Talk:Nether Reactor/@comment-99.184.180.17-20130209235456/@comment-8246076-20130506213622

To duplicate, you place the block down, exit the game, delete minecraft from, your history, go back in, and double click the block that you put down, Occasionaly, the block will disappear. If you had one of the block, you will have one on the ground and one in your inventory.