A message from ESL CEO David Nicholas about coronavirus: LEARN MORE

Sustainable solutions for our most valuable resources

Earth Science Laboratories Inc. develops advanced, sustainable chemistry for diverse industries and applications. ESL’s Agriculture division creates adjuvants, micronutrients, algaecides and fungicides. The Municipal division manufactures EarthTec® and EarthTec® QZ for controlling cyanobacteria and zebra mussels in water treatment plants, reservoirs and lakes. The Recreational division manufactures PristineBlue® pool and spa care products and the high-performance Specialty Chemicals line.

Clean Water for the Planet®


Algae and invasive species control in reservoirs,
lakes, water treatment plants and more.


Advanced treatment products
for pool and spa care.

AgriCultural products

Water treatment, nuisance species control and micronutrients for agriculture and aquaculture.

Latest News

A message from ESL CEO David Nicholas about coronavirus

To Our Employees, Business Partners and Customers: Although the ongoing COVID-19 pandemic has temporarily changed the way we live, work and play, ESL remains committed to providing essential services. Thanks to the extraordinary efforts of our employees, business...

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