Tough Line 6lb Test 360 Yard Universal Low Stretch Monofilament vs Original: which is safer?
Stren Original is our pick: better on PFAS and on the overall hazard picture.
Rapala
Tough Line 6lb Test 360 Yard Universal Low Stretch Monofilament
PFAS grade
B 85/100
Overall grade
F 63/100
Verdict
Buy with care
Hazard flags
⚑ 2
Material
Nylon monofilament
Confidence
72%
LikelyUV degradation and brittle fracture
PossibleMicroplastic shedding upon breakdown
Our pick
Stren
Original
PFAS grade
A 100/100
Overall grade
B 86/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Monofilament nylon fishing line
Confidence
75%
PossibleMicroplastic shedding from degradation
ReportedUV-induced brittleness and material failure
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