Is Stren PFAS-free?
Across 13 graded products, Stren averages B (86/100). On disclosure, the brand says nothing publicly about PFAS. 13 of its products grade C or better. Grades are model-based estimates, not lab results.
Worth buying from Stren C or better, safest first
Stren
Original
Monofilament nylon fishing line
Lower PFAS concern for a fishing line product; no coating or treatment typical of PFAS carriers.
⚠Risky category by default
Stren
Berkley Stren Original Green Fishing Line
Monofilament nylon (extruded polymer)
Lower PFAS concern typical for monofilament fishing line; no water-repellent coating or special coatings flagged.
⚠Brand says nothing about PFAS
Stren
Super Knot Monofilament Line
Monofilament nylon fishing line
Lower PFAS concern, standard nylon monofilament is unlikely to contain PFAS unless treated, and no public evidence suggests Stren does.
⚠Brand says nothing about PFAS
Stren
(3 pack) Stren Original Monofilament Fishing Line, Lo-Vis Green, 10 lb Test Strength, 300 yd, Size: 10 lbs
Monofilament nylon fishing line
Lower-concern commodity product with no known PFAS treatment; fishing line typically does not require water-repellent coating or stain resistance coatings.
⚠Brand says nothing about PFAS
Stren
Original Monofilament Line
Monofilament nylon fishing line
Lower concern; plain nylon monofilament typically lacks PFAS, but Stren makes no public disclosure.
⚠Brand says nothing about PFAS
Stren
Fluorocast Line
Monofilament nylon fishing line
Lower PFAS concern for fishing line, but brand discloses nothing, typical for the category.
⚠Brand says nothing about PFAS
Stren
Original Monofilament Line 330yd 12 lb
Monofilament nylon fishing line
Lower-concern choice; standard nylon monofilament fishing line has no known PFAS risk profile.
⚠Brand says nothing about PFAS
Stren
Original Monofilament Fishing Line
Nylon monofilament
Lower concern; monofilament nylon fishing line has no known PFAS application, but brand transparency is absent.
⚠Brand says nothing about PFAS
Stren
(2 pack) Stren Original Monofilament Fishing Line, Clear/Blue Fluorescent, 12 lb Test Strength, 300 yd, Size: 12 lbs
nylon monofilament fishing line
Lower concern; nylon monofilament is inherently PFAS-free material.
⚠Brand says nothing about PFAS
Stren
Original Monofilament Fishing Line, Clear/Blue Fluorescent, 17 lb Test Strength, 1000 yd, Size: 1000yd | 914m - 17
Nylon monofilament fishing line
Lower concern. Nylon monofilament typically avoids PFAS, but verify with manufacturer.
⚠Brand says nothing about PFAS
Stren
High Impact Monofilament Fishing Line 1275 Yards Lo-Vis Green 10 Pounds
Nylon monofilament fishing line
Lower concern. Standard nylon fishing line without known PFAS risk.
⚠Brand says nothing about PFAS
Stren
Original Monofilament Fishing Line - Hi-Viz Gold / 270 Yard / 17 lb
Nylon monofilament (extruded plastic line)
Lower concern, but verify with Stren directly on coatings.
⚠Brand says nothing about PFAS
Stren
CLEARANCE - Stren Original Monofilament Line (300 yd)
Monofilament nylon fishing line
Lower concern. Standard nylon fishing line with no known PFAS use.
⚠Brand says nothing about PFAS
Every grade uses the same public rubric. How grades work →