Wednesday, November 4, 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
The test was easy to complete and send back. The results were emailed back in a timely fashion. Although the data was a little overwhelming, the results specific to our well was detailed and eaay to read.
By Tracey & Jeff E.
So easy to collect sample, box it up safely and easily, and send it back! Got results within a couple weeks. All good!
By Cathy in C.
Helpful information, much appreciated.
By Lee
Got detailed results quickly
By N K.
Honesty and integrity - getting harder to find these days! Thank you!
By Kyle K.
Friendly staff on the phone. Good Price. Data was informative, presented well and in a timely manner. Thx Dave
By Dave T.
I was worried that my well water may have been infused with PFAS, after reading a news article in the Portland Press about your testing I signed up for your low cost testing PFAS testing, a simple water sample was sent to Cyclopure and shortly thereafter my negative results came in. Thank You!
By John
Easy to use. Quick results. Excellent description of the results. Thanks!
By CDH in Marietta, G.
