i use a 7 turn uni... for everything....
I've been fishing with 9lb braid, 15lb braid and recently 80lb braid for galjoen.
9lb braid, no leader, 1 ounce sliding sinker, 7 turn uni to swivel, 50cm .50 maxima, 2/0 mustad demon circle, sandprawn. I've caught more white stumpnose than i care to count on this combination. Very very seldom has it broken anything.
15lb braid, no leader, 2 ounce sliding sinker, 7 turn uni to swivel, 50cm .50 maxima, then depending on species hooks. Caught one geelbek, plenty stumpnose even a smooth hound and a cob. Yet to have the knot or braid fail and i gave the geelbek serious stick to get it into the boat before it got taxed.
80lb braid for galjoen, .70 mm leader, 3 turn uni nylon side, 7 turn uni braid side back to back.... yet to have the leader connection pop and fishing for gallies i've been stuck plenty.... .50 sinker trace and .55 hook trace.