What size line and float are generally used for a 6 meter rod?

2-3 main line, No. 5 float. According to the query related information, 6 meters fishing rod is suitable for 2-3 meters of main line, No. 5 float, the main line is thick and not easy to break the line, the float is large and easy to observe. Fishing line is mainly divided into two kinds, one is the main line, one is the sub-line, line number selection according to the fishing fish species character size judgment.