Adjuvants & Additives

Spray adjuvants, surfactants, colorants, and plant growth regulators.

Irrigation category

Showing all 14 resultsSorted by price: high to low

Showing all 14 resultsSorted by price: high to low

Buying Guide: Adjuvants & Additives

Looking for the best adjuvants & additives for your project? Big Irrigation Supply carries 14+ professional-grade adjuvants & additives products from trusted brands like Hocking International Laboratories, Exacto, Inc., Control Solutions Inc., PBI-Gordon, SePRO. Free shipping across the USA.

How to Choose the Right Adjuvants & Additives

  • Consider your project size — residential installations may need different specs than commercial.
  • Check compatibility — make sure components work with your existing system.
  • Compare brands — we carry multiple professional brands so you can find the best fit.
  • Read specifications — product pages include detailed specs and installation guides.

Need help choosing? Our team of irrigation and landscape lighting professionals is ready to help. Browse our full selection of adjuvants & additives or contact us for expert advice.