Tuesday, November 3, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
527 reviews
CyclopureSelect a line to read only those reviews.
Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Cyclopure is a materials science and environmental engineering firm headquartered in Evanston, Illinois. The company has developed a novel adsorbent (tradename DEXSORB®) with high selectivity for diverse PFAS structures, regardless of chain length, structure, or functional group. DEXSORB is commercialized for multiple PFAS related uses, including (i) environmental monitoring, (ii) household filtration products, and (iii) municipal + industrial treatment systems.
Cyclopure (cyclopure.com) has 527 customer reviews on The Fair Hearing, with an average rating of 4.7 out of 5.
527 approved reviews, newest moderated first
Water test for 55 pfas compounds for a reasonable price. Took 9 business to get the results.
By Zack
Response from Cyclopure· Jun 29, 2026
Hi Zach - We appreciate your review. Thank you! We wanted to clarify that we received your sample back at our lab on 6/12. We provide results within 10-14 BUSINESS DAYS. Your results were in your inbox within 9 business days.
Thank you. I appreciate the steady and clear communication. It was easy to do and submit the sample. Let's turn off the PFAS tap!
By Heather Spalding S.
Testing was quick & helpful regarding reliability of your filter
By Russell
Water sample collection process simple and well conceived. Easy process. Got results in 15 calendar days
By Barbara Jo S.
I was very pleased with the service I got.
By Robert
The kit included clear, simple instructions for collecting and sending water samples.results only took a few weeks.
By customer
It was all clear and easy.
By Julie
The instructions for my collection kit were easy to understand and implement and reporting of the results was very efficient.
By customer tom K.
