TRILENE BIG GAME vs TopKnot Mainline Fluorocarbon Line: which is safer?
BERKLEY TRILENE BIG GAME is the clear pick. Yo-Zuri TopKnot Mainline Fluorocarbon Line carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
Berkley
TRILENE BIG GAME
PFAS grade
Excellent 85/100
Overall grade
Good 63/100
Verdict
Buy with care
Hazard flags
⚑ 2
Material
monofilament nylon fishing line
Confidence
72%
LikelyUV degradation and embrittlement
PossibleMicroplastic release during use
Yo-Zuri
TopKnot Mainline Fluorocarbon Line
PFAS grade
Poor 30/100
Overall grade
Bad 8/100
Verdict
Skip
Hazard flags
⚑ 2
Material
Fluorocarbon fishing line
Confidence
35%
LikelyPFAS bioaccumulation and environmental persistence
PossibleMicrofiber shedding from line degradation
Where these two actually differ
- We flag UV degradation and embrittlement and Microplastic release during use on the Berkley and not on the Yo-Zuri.
- We flag PFAS bioaccumulation and environmental persistence and Microfiber shedding from line degradation on the Yo-Zuri and not on the Berkley.
- The Berkley is monofilament nylon fishing line where the Yo-Zuri is Fluorocarbon fishing line, which is most of the difference in these two grades.
- The gap is 55 points, wide enough that this is not a close call, and the Berkley is the one to buy.
- We are less certain about the Yo-Zuri grade, at 35% confidence against 72%, because it discloses less.
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More fishing line: see the full ranking