Forget top 6 quite often it is a certain 1 that works. I usually carry 2 or 3 of each color and size. Usually 16 black and red rib is the standar go to. But ive also had outstanding days on a 20 green and silver. Ive also had great days with a #6 brown and red. So i find Chronomids to be like chips I cant have just one. Not quite finished yet but getting close with this page.