I always use standard Albright these days. Say 10-11 wraps, usually 6-7 up and 5-6 down to come back through.
I used to use uni-to-uni, but have had way too many failures.
Always double your spectra with a bimini or spider hitch, as I would suggest that most failures in these connections come from the thin abrasive spectra cutting through the monofilament.
Recently lost what may have been a giant cobia when I started putting heavy heat on it with light tackle about 25 minutes into the fight. This is with braid main line and fluorocarbon leader.. Sure enough, came back with my bimini intact and the braid half of the uni-to-uni, no trace of the leader... Last uni-to-uni I have tied