
INDUSTRY-LEADING FORMULATIONS
Adjuvants & Surfactants for Land and Aquatic Ecosystems
For over 50 years, Brewer International has provided proven, custom-formulated adjuvants and surfactants that enhance pesticide and herbicide performance across six markets.
50+
Years in Business
6
Markets Served
100s
of Products
5★
Service
40+
Years serving national & regional distributors
1980s
Pioneer of d-limonene surfactant chemistry
6
Markets served, from aquatics to specialty
Family
Founder-built by the Brewer family
Regulatory registrations and quality certifications available on request — see each product's specimen label and Safety Data Sheet for compliance details.
OUR MARKETS
Proven Formulations Across Every Market
From aquatic environments to row crops, our adjuvants are engineered to deliver consistent results across diverse applications.

AQUATICS
Do more with less
Brewer International's aquatic adjuvants are formulated to enhance the performance of algaecides and aquatic herbicides in lakes, ponds, canals, and irrigation systems.
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AGRICULTURE
Enhance crop protection
Improve uptake, spreading, and retention of herbicides and fungicides across row crops, specialty crops, and pastures.
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FORESTRY
Precision where it counts
Maximize efficacy of forestry herbicide applications on diverse woody and invasive vegetation.
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RIGHTS-OF-WAY
Keep corridors clear
Reliable vegetation control along utility corridors, roads, and railways with reduced re-treatment frequency.
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LAND MANAGEMENT
Protect natural lands
Support invasive species control and land restoration programs on rangeland and natural areas.
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SPECIALTY
Custom formulations
Tailored adjuvant solutions for specialty crop, turf, and ornamental applications.
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News & Resources

101 guides · Jun 2026
How Water Quality Impacts Spray Tank Performance (and How to Fix It)
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101 guides · May 2026
Beating Summer Spray Stress: Keeping Herbicides on Target When It’s Hot, Dry, and Windy
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aquatics · Apr 2026
Hitting the Window: Spring Aquatic Herbicide Applications by Region
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