Water Blogged 

Harmful Algal Blooms | Everything You Need To Know


Harmful Algal Blooms (HABs) are a real problem for source water managers. Understanding what this problem is, being aware of when the problem exists and then being able to act on the problem before it is unmanageable is critical to the health of our water bodies...

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On A New Kind Of Hunt | Gathering Data Under Hudson Bay Ice


The hunters recognized the changes. A shot seal would usually float, buoyed by its blubber atop the dense salt water of Canada’s Hudson Bay. Now the seals were sinking below the surface before the hunters could reach them. Check out the latest article from Mission: Water magazine that follows the Inuit hunters from five Hudson Bay communities as they gather data on the massive fresh water plume that is changing their environment.

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WEFTEC Homepage Feature 2016

Welcome to YSI.com

YSI has served the environmental, water quality and Life Sciences markets for over 65 years. The website was designed for you - to help you learn, review and quickly find the products and information you need to perform your job.

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All of our product pages will have an option for you to request pricing. By simply clicking the button, or link, and providing some information, we will have one of our knowledgeable YSIers provide assistance and pricing.  We encourage you to provide your feedback at feedback@ysi.com.