A method of removing contaminate material from a flowable material, comprising the following steps. A first container defining a first chamber is provided. A second container defining a second chamber is arranged within the first chamber. A first removal material is arranged within the second chamber. A second removal material is arranged within the first chamber. The flowable material is caused to flow along a removal path through the first removal material to remove a first portion of the contaminate material and through the second removal material to remove a second portion of the contaminate material.