Customer Referral Program

Thank you for referring a friend or colleague to YSI!

Please keep an eye out for a confirmation email to your inbox. This email will also have information about how and when we’ll reach out to you about your reward.

We’ll be in touch with your friend soon to see if YSI is the right option for this application. We know you love our industry-leading instruments, so hopefully your friend will too!

Know someone else who would benefit from upgrading to YSI? You can refer them too!

See what other environmental scientists are up to around the world!

While you’re here, check out our environmental magazine, Mission: Water! This complimentary publication covers global water issues and the heroes working to solve them. Below are a couple of interesting stories from our latest release.

Red Tide Monitoring Efforts

We spotlight Florida’s recent battles with red tide, and explore how the state’s approach to managing the ecological fallout has evolved with new technology.

Nord Stream 2 Discoveries

Read about the development of the Nord Stream2 natural gas pipeline in norther Europe—and the hidden discoveries at the bottom of the Baltic Sea.

Download a digital copy of the magazine, view past editions, or subscribe to receive future releases in print at!