Field Test Kits

Field Test Kits

CSI offers a broad range of field test kits.

Water Test Site

View your current water test status and the history of your previous tests.

Register Your Product

Register your CSI product to receive helpful product information, service updates, and support.

DROP - The Smart Water System

Looking for a fully connected WiFi system? Shop DROP

CSI Water Treatment

Committed to providing the water treatment industry’s highest quality and most innovative products—all designed, developed, tested, and assembled in Ashland, Ohio.