85Excellent

Does Stren fishing line have PFAS?

The verdict
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

(2 pack) Stren Original Monofilament Fishing Line, Clear/Blue Fluorescent, 12 lb Test Strength, 300 yd

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…

2 hazards checked on this product. See all of them.

CLEARANCE - Stren Original Monofilament Line (300 yd)

Stren

CLEARANCE - Stren Original Monofilament Line (300 yd)

85ExcellentPFAS grade
  • Monofilament nylon fishing line
  • We found no PFAS statement from the brand
  • Material degradation and microplastic shedding, Nylon monofilament degrades under UV exposure and mechanical…
Stren High Impact Monofilament Fishing Line 1275 Yards Lo-Vis Green 10 Pounds

Stren

High Impact Monofilament Fishing Line 1275 Yards Lo-Vis Green 10 Pounds

85ExcellentPFAS grade
  • Nylon monofilament fishing line
  • We found no PFAS statement from the brand
  • Nylon polymer degradation and microfiber shedding, Nylon monofilament degrades when exposed to UV and heat…

2 hazards checked on this product. See all of them.

Stren Original Monofilament Fishing Line, Clear/Blue Fluorescent, 17 lb Test Strength, 1000 yd

Stren

Original Monofilament Fishing Line, Clear/Blue Fluorescent, 17 lb Test Strength, 1000 yd

85ExcellentPFAS grade
  • Nylon monofilament fishing line
  • We found no PFAS statement from the brand
  • Nylon degradation and microplastic shedding, Aged or UV-damaged monofilament can fragment into microplastics…
Stren Original Monofilament Fishing Line - Hi-Viz Gold / 270 Yard / 17 lb

Stren

Original Monofilament Fishing Line - Hi-Viz Gold / 270 Yard / 17 lb

85ExcellentPFAS grade
  • Nylon monofilament (extruded plastic line)
  • We found no PFAS statement from the brand
  • PFAS, Monofilament fishing line may incorporate PFAS-based surfactants or water-repellent coatings to improve…

3 hazards checked on this product. See all of them.

The same question, asked of the other fishing line brands

Best average grade first. Stren averages 85.

See every Stren product we grade on the Stren brand page, or the full fishing line ranking.