4 0r 6 lb line?

new to bass fishing and getting ready to set up my rods for pond fishing
[ 21 acre golf course pond- shallow with not many hang up along edges
other than brush ].
Using Shimano stratic 2500 reels and 7 ft rods { long enought to clear
front of kayak when fish on ]
Now I need to decide what line to us--braided or mono- 4,5,or 6 lb. And
why that choice. Thanks
Joe the Elder
[fish are usually 0ne to two lb.]

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6 lb. fluoro carbon will serve you well fishing small unstructured
ponds.

I fish a small lake with very little structure, and that is about the
only line I use any more. I throw mostly soft plastics, but I also use
spinners and crankbaits with the same line. If I break off a fish, it is
almost always because I am "lazy", and seldom re-tie knots, or check my
line very close.

Like bob suggested, I also set the drag fairly light, and use my thumb
to increase pressure.

Have fun!

John