Rainbow pattern is a 2 part. First you tack fuse at the following
400dph...................................1065 degrees............................hold 30 mins
300dph....................................1375 degrees...........................hold 5 mins
Full.............................................900 degrees..........................hold 1 hour
100 dph.......................................700 degrees............................off
Then you slump:
250dph.......................................1075 degrees.......................hold 30 mins
250 dph.......................................1235 degrees......................hold 10 mins
Full...............................................900 degrees.......................hold 45 mins
100dph..........................................700 degrees.......................off
