I have decided to go with 15lb PowerPro braid as my main line with 12lb Seaguar Premier fluorocarbon leader on my 6'6" medium fast Shimano Convergence + Shimano Symetre 2500FL. I was wondering if it would be ok since 15lb PowerPro braid has 0.008" diameter while Seaguar Premier leader has 0.009". Will that 0.001" diameter difference affect the knot and cause issues? Also how long of a leader should I tie on?