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.

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