We're so sure that you'll prefer our Cayman Chemical kits over your present brand that we're willing to give you a free assay kit to prove it!

Terms of the Cayman Challenge
If you have purchased a competitor's kit, you can take the Cayman Challenge. Just contact our Support team by email and they will provide you with instructions regarding sending in your proof of purchase of a competitor's kit. Then we'll send you the comparable Cayman Chemical kit absolutely free!

The following kits are available under the Cayman Challenge Promotion:

Products

Note: product availability depends on country. Product detail pages show availability of each product.