I do 95% of my fishing with a 5'5" olive furled leader and 4-6' of 5-7x flourocarbon tippet. When fishing trico's and midges, I most often use the 7X flouro (Maxknot). I very rarely go larger than 5X for trout.

All my connections are loop/loop. I use a simple fishermans loop for my tippet loop. When I go larger than 5X on tippet I use a double fishermans loop.

Ralph