Monofilament vs Spinning Reels: which is safer?
Ande Monofilament is the clear pick. KastKing Spinning Reels carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
Ande
Monofilament
PFAS grade
Excellent 85/100
Overall grade
Excellent 81/100
Verdict
Buy
Hazard flags
⚑ 1
Material
Monofilament nylon fishing line
Confidence
72%
PossibleMicroplastic shedding during use
KastKing
Spinning Reels
PFAS grade
Good 50/100
Overall grade
Poor 38/100
Verdict
Skip
Hazard flags
⚑ 3
Material
Metal reel body, polymer components, likely epoxy or polyurethane coatings
Confidence
35%
PossibleCoating degradation and metal leaching
PossibleBacterial or organic growth in spool mechanism
PossiblePFAS in epoxy or polyurethane coatings
Where these two actually differ
- We flag Microplastic shedding during use on the Ande and not on the KastKing.
- We flag Coating degradation and metal leaching, Bacterial or organic growth in spool mechanism and PFAS in epoxy or polyurethane coatings on the KastKing and not on the Ande.
- The Ande is Monofilament nylon fishing line where the KastKing is Metal reel body, polymer components, likely epoxy or polyurethane coatings, which is most of the difference in these two grades.
- The gap is 35 points, wide enough that this is not a close call, and the Ande is the one to buy.
- We are less certain about the KastKing grade, at 35% confidence against 72%, because it discloses less.
Both products run through the same public rubric, which covers 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