Read everything on this Goggle search .
https://www.google.com/search?q=how+...hrome&ie=UTF-8
Also, read all this.
https://www.fordbarn.com/forum/showt...as+tank+sealer
The problem is that unless you cut the tank open you will never be able to remove all the pieces of sealer debris and it will clog your filter time after time, mile after mile with lots of frustration along the way. In one of the treads above there is mentioned a company that will cut your tank apart, clean it and repair the cut off top.