I am using 80 lb suffix braid going to 100 lb mono what would be the best type of strong knot to connect these?
I would recommend a double uni knot:
http://www.netknots.com/fishing_knots/double-uni-knot
Improved Bristol is my go to.
Has anyone ever tried a yucatan knot? I was doing some reading and that is being claimed as an extremely strong knot
Bristol Knot aka No Name Knot The Bristol or No Name Knot offers an easy and streamlined method to connect a shock line or tippet to a doubled line such as a Bimini Twist. It will pass through rod guides smoothly and can also be effective for attaching braided lines to monofilament. The Bristol Knot out-tested the Albright Special and the Double Uni in tests conducted by the IGFA.
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i agree tie a nice long bimini and then the no name knot thats how all my rods without hollow core are set up now a sebile is very nice if you know how to tie and and want to take the time clean smooth knot but either will get the job done