Had a line issue this weekend.

[66KingFisher]

I loaded my baitcaster with new Triline XL 12lb line before our trip to lake Ouachita this past weekend, and this was my first time to use this stuff.....i've used Triline for years, but this was my first roll of XL. As the day went on, I became extremely frustrated with it because everytime i'd go to tie a new lure the line would break at the knot. I've been tieing the same knot for years and never had this happen.....at one point I tied on a spinnerbait 8 times and each time i'd cinch the knot down it would break on the lure side of the knot....What gives? Anybody had these kind of problems with XL or did I just get a bad roll or?? And "YES" I wet the knot with saliva before I pull it tight.....any ideas? I've still got alot on this roll and hate to waste it, but i'll be danged if I go thru all that frustration again and I doubt that i'll buy another roll of it, I was just curious to what ya'll thought? I think my next roll of line will be Power Pro.