76Excellent

KastKing Review, Is KastKing Non-Toxic?

The verdict
KastKing averages 76 out of 100 on PFAS Authority's PFAS and toxin screen across the 16 KastKing products graded as of November 2026, and 12 of them reach its 70 point pass mark.
Free to quote with attribution to PFAS Authority and a link to pfasauthority.com/brands/kastking.

KastKing grades Excellent on our four-band scale. On disclosure, the brand says nothing publicly about PFAS. See what every brand has published about PFAS for how that compares.

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.

You may also be interested in

Top-graded picks in the categories readers replace first, every one scored on the same rubric.

  • polypropylene filter housing, carbon/sediment cartridge
  • We found no PFAS statement from the brand
  • Bacterial growth in spent cartridges

3 hazards checked on this product, all on its full breakdown.

  • RO membrane, carbon filters, stainless steel housing
  • We found no PFAS statement from the brand
  • Bacterial and microbial growth in housing and filters

4 hazards checked on this product, all on its full breakdown.

Avocado Vegan Mattress

Avocado

Vegan Mattress

100ExcellentPFAS grade
✓ MADE SAFE Certified✓ Global Organic Textile Standard (GOTS)
  • organic cotton, natural latex, coconut coir, recycled steel coils
  • The brand calls it PFAS-free, which we have not verified
  • Heavy metals

2 hazards checked on this product, all on its full breakdown.

Does KastKing have PFAS, by category

Which KastKing products are PFAS-free? Good or better, best-graded first

KastKing Sharky III Spinning Reel

KastKing

Sharky III Spinning Reel

85ExcellentPFAS grade
  • Aluminum spool, stainless steel, machined metal parts
  • We found no PFAS statement from the brand
  • Aluminum corrosion and oxidation. Aluminum spools corrode if saltwater or moisture is not rinsed away; this…

3 hazards checked on this product, all on its full breakdown.

KastKing Baitcaster Rod and Reel Combo

KastKing

Baitcaster Rod and Reel Combo

85ExcellentPFAS grade
  • Fiberglass composite rod, graphite/aluminum reel body
  • We found no PFAS statement from the brand
  • Graphite dust inhalation. Graphite components are stable during use, but excessive sanding, grinding, or…
KastKing Destron Essential Monofilament Fishing Line

KastKing

Destron Essential Monofilament Fishing Line

85ExcellentPFAS grade
  • Monofilament nylon fishing line
  • We found no PFAS statement from the brand
  • UV degradation and microplastic shedding. Extended sun exposure degrades nylon monofilament into smaller…

2 hazards checked on this product, all on its full breakdown.

KastKing DuraBlend Monofilament Leader Line

KastKing

DuraBlend Monofilament Leader Line

85ExcellentPFAS grade
  • Monofilament nylon fishing line
  • We found no PFAS statement from the brand
  • UV degradation and brittleness. Nylon monofilament degrades when exposed to prolonged sunlight, becoming…

3 hazards checked on this product, all on its full breakdown.

KastKing Finesse Braided Fishing Line

KastKing

Finesse Braided Fishing Line

85ExcellentPFAS grade
  • Braided polyethylene (PE) fishing line
  • We found no PFAS statement from the brand
  • Microplastic shedding from line degradation. Braided PE can fray and fragment after repeated casting, knot…

2 hazards checked on this product, all on its full breakdown.

KastKing Hammer Braided Fishing Line

KastKing

Hammer Braided Fishing Line

85ExcellentPFAS grade
  • Braided polyethylene fishing line
  • We found no PFAS statement from the brand
  • Microplastic shedding during use. Braided PE fibers can fray and separate during casting, retrieval, or…

2 hazards checked on this product, all on its full breakdown.

KastKing Hammer Depth Charge Weighted Fishing Line

KastKing

Hammer Depth Charge Weighted Fishing Line

85ExcellentPFAS grade
  • Monofilament nylon fishing line
  • We found no PFAS statement from the brand
  • Nylon polymer degradation and microplastic release. Monofilament nylon degrades under UV and mechanical…

2 hazards checked on this product, all on its full breakdown.

KastKing Megatron Spinning Reel

KastKing

Megatron Spinning Reel

85ExcellentPFAS grade
  • Aluminum spool, stainless steel, graphite body
  • We found no PFAS statement from the brand
  • Graphite composite degradation. Carbon-filled polymer body may shed microscopic graphite particles if cracked…

2 hazards checked on this product, all on its full breakdown.

KastKing Royale Legend II Spinning Fishing Reel

KastKing

Royale Legend II Spinning Fishing Reel

85ExcellentPFAS grade
  • anodized aluminum, stainless steel, machined metal parts
  • We found no PFAS statement from the brand
  • Anodized aluminum coating degradation. Anodized layer can develop micro-cracks or pitting from saltwater…

3 hazards checked on this product, all on its full breakdown.

KastKing Sharky Baitfeeder III Spinning Reel

KastKing

Sharky Baitfeeder III Spinning Reel

85ExcellentPFAS grade
  • Aluminum spool, stainless steel ball bearings, graphite composite body
  • We found no PFAS statement from the brand
  • Corrosion of aluminum spool. Aluminum spools corrode in saltwater or wet storage if anodizing degrades.…

2 hazards checked on this product, all on its full breakdown.

KastKing World's Premium Monofilament Fishing Line

KastKing

World's Premium Monofilament Fishing Line

85ExcellentPFAS grade
  • Monofilament nylon fishing line
  • We found no PFAS statement from the brand
  • Nylon polymer leaching (monomers, plasticizers). Nylon 6 and 6.6 are chemically stable in water at room…

4 hazards checked on this product, all on its full breakdown.

Zephyr Spinning Reel

KastKing

Zephyr Spinning Reel

85ExcellentPFAS grade
  • Aluminum body, stainless steel, metal gears
  • We found no PFAS statement from the brand
  • Aluminum corrosion and degradation. Aluminum bodies exposed to saltwater or freshwater minerals can develop…

3 hazards checked on this product, all on its full breakdown.

Which KastKing products contain PFAS? Poor and Bad, we’d swap these

KastKing FluoroKote Fishing Line

KastKing

FluoroKote Fishing Line

50GoodPFAS grade
  • Monofilament nylon with proprietary Teflon-family coating
  • We found no PFAS statement from the brand
  • Teflon-family coating composition (undisclosed). The brand does not specify whether the proprietary…

3 hazards checked on this product, all on its full breakdown.

Find an alternative on Amazon
  • Braided polyethylene or nylon core with color-coated finish
  • We found no PFAS statement from the brand
  • Coating integrity and microplastic release. The colored polymer coating degrades under UV and mechanical…

3 hazards checked on this product, all on its full breakdown.

Find an alternative on Amazon
KastKing Baitcasting Reel

KastKing

Baitcasting Reel

50GoodPFAS grade
  • Aluminum spool, metal frame, synthetic drag material
  • We found no PFAS statement from the brand
  • Undisclosed lubricants and drag additives. Synthetic drag materials in reels often contain silicone oils…

3 hazards checked on this product, all on its full breakdown.

Find an alternative on Amazon
KastKing Spinning Reels

KastKing

Spinning Reels

50GoodPFAS grade
  • Metal reel body, polymer components, likely epoxy or polyurethane coatings
  • We found no PFAS statement from the brand
  • Coating degradation and metal leaching. Epoxy or polyurethane topcoats on aluminum bodies can crack or peel…

3 hazards checked on this product, all on its full breakdown.

Find an alternative on Amazon

What to buy instead Good or better, in the categories KastKing sells

Ande Monofilament

Ande

Monofilament

85ExcellentPFAS grade
  • Monofilament nylon fishing line
  • We found no PFAS statement from the brand
  • Microplastic shedding during use
  • Monofilament nylon fishing line
  • We found no PFAS statement from the brand
  • Microplastic fragmentation
Ande Premium Green 1/4 Spool

Ande

Premium Green 1/4 Spool

85ExcellentPFAS grade
  • Monofilament nylon fishing line
  • We found no PFAS statement from the brand
  • UV degradation and polymer brittleness

2 hazards checked on this product, all on its full breakdown.

Camping World Ugly Stik Complete Spinning Kit

Ugly Stik

Camping World Ugly Stik Complete Spinning Kit

85ExcellentPFAS grade
  • Fiberglass rod, plastic reel, rubber grip
  • We found no PFAS statement from the brand
  • Fiberglass splinters from rod degradation

3 hazards checked on this product, all on its full breakdown.

Rapala Original Floating

Rapala

Original Floating

85ExcellentPFAS grade
  • Plastic body, tinned steel hook
  • We found no PFAS statement from the brand
  • Microplastic generation from wear

2 hazards checked on this product, all on its full breakdown.

Berkley Trilene XL

Berkley

Trilene XL

85ExcellentPFAS grade
  • Monofilament nylon fishing line
  • We found no PFAS statement from the brand
  • Microplastic shedding on degradation

2 hazards checked on this product, all on its full breakdown.

KastKing and PFAS, common questions

Does KastKing have PFAS?
KastKing averages 76 out of 100 on PFAS Authority's PFAS and toxin screen across the 16 KastKing products graded as of November 2026, and 12 of them reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
Is KastKing non-toxic?
KastKing Sharky III Spinning Reel is the highest-graded KastKing product we have scored, at 85/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
Which KastKing products are lower concern for PFAS?
The highest-graded KastKing products we have scored are KastKing Sharky III Spinning Reel, KastKing Baitcaster Rod and Reel Combo, KastKing Destron Essential Monofilament Fishing Line. That is our model-based estimate from materials and public disclosure, not a lab test.
Which KastKing products should I avoid?
The lowest-graded KastKing products we have scored are KastKing Spinning Reels, KastKing Baitcasting Reel, KastKing SuperPower ColorShield Braided Fishing Line. Each one links to the evidence behind its grade.

Every grade uses the same public rubric. How grades work →