Board Thread:Questions and Answers/@comment-74.104.249.213-20130718173242/@comment-8607467-20130719204244

becarful just walling them in. if you get too many in the same area they will start to grow and consume blocks nearby. its not pretty and if you are lucky you can stop it before it gets out of control. if you have rifts just floating about use the doors on them if they are rifts you want or the remover if you dont want them.