Great communication and seevice
Appreciated the detailed instructions on how to collect the sample, the email received when the sample arrived and the emailed results. Great communication and service.
By Wendy Z.
Wednesday, November 4, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
527 reviews
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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
Appreciated the detailed instructions on how to collect the sample, the email received when the sample arrived and the emailed results. Great communication and service.
By Wendy Z.
Easy to collect sample & mail. Great price, speedy communications & professional results.
By John, M.
I sent in two PFAS tests, one unfiltered tap water and one filtered tap water. I got fast, timely results for a fraction of the cost of a local lab.
By Tom
Ease. Clarity. Reputation
By customer
Testing equipment made it easy and simple.
By customer
Testing was fairly straight forward. Results came within (2) weeks of being sent to Cyclopure.
By KG, Erie, P.
The testing process was easy to follow and we received our results quickly.
By customer
Cyclopure delivers! The test was very easy to use and the results came back quickly.
By Timothy P A.