Greers, esp around Heber is nearly crystal clear. If hi-viz doesn't affect crappie there, then it shouldn't anywhere. I use 5lb hi-viz braid on 12' jig poles, Mr. Crappie 6lb hi-viz on casting crappie rods and even have some hi-viz fluoro one one casting rod. For trout and some bream, I have trout sos in 6lb in light green or fluoro in clear. I don't usually use a leader. I don't know if bream are line shy, because I have caught many of them on hi-viz while crappie fishing.