Stren fishing line averages 85 out of 100 on PFAS Authority's PFAS and toxin screen across the 5 Stren fishing line products graded as of October 2026, above the 74 out of 100 median for the 13 other fishing line brands graded alongside it.
Free to quote with attribution to PFAS Authority and a link to pfasauthority.com/brands/stren/fishing-line.
Stren fishing line averages Excellent on our four-band scale. 5 of the 5 we graded are worth buying.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
Stren fishing line worth buying Good or better, best-graded first
Stren
(2 pack) Stren Original Monofilament Fishing Line, Clear/Blue Fluorescent, 12 lb Test Strength, 300 yd
85ExcellentPFAS grade
✓nylon monofilament fishing line
⚠We found no PFAS statement from the brand
⚠UV degradation and brittle fragment shedding, Nylon monofilament becomes brittle with UV exposure and age…