What fishing line should be used with carp fishing?

1.5 main line 0.8 subline for carp fishing, such a line combination is not reasonable.

If you choose 1.5 main line, then you should choose 1.2 or 1.0 subline.

If you choose a 0.8 size subline, then you should choose a 1.0 or 1.2 size mainline.

Normal carp fishing with a softer rod can choose 0.8 main line with 0.6 subline, which can cope with fish of up to 3 pounds.

If you use a harder rod, you can choose a 1.0 main line with a 0.8 subline, which can also handle fish up to 3 pounds.