have any of you fisho's used lead core fishing line ,,, for trolling,,, the info on the box indicates that the line will sink to the depth where the fish hang out it colour coded in 10 yard lenghts to help you determine depth what problems are you like to encounter no casting its for trolling what knots does the spool size effect the lead core egg beater or just bait casters only does it tangle like macrame twine?? its not cheap line so any info would be welcome amongst us fisho's