Fertilizer Injectors For Irrigation Applications

Give your crops the perfect amount of fertilizer with our versatile, easy-to-use fertilizer injectors for irrigation.

Irrigation Injectors for Fertilizers


The Dosatron fertilizer injector can be used in a variety of installations and configurations. Mount them on booms or benches, or use them in conjunction with our portable 15-gallon DosaCart, 5-gallon Li’l Bud-D DosaCart, or the Eco-Cart for fertigation dosing on the go. Increase your flow with parallel installations, or inject multiple nutrients with series installations. It’s all up to you! When you want to maximize your growth potential and keep your plants healthy and happy, you want the Dosatron fertilizer injector. Call us today for more information on all of our fertilizer dispensers.


  • Aquaponics
  • Indoor Farming and Agriculture
  • Stacked Farming
  • Urban Gardening and Farming
  • Drain-to-Waste

Optimize Irrigation with Fertilizer Injectors

For beautiful, healthy plants and blooms, professional growers have been turning to Dosatron for trusted experience. With Dosatron, your plants get the right amount of nutrients every time. Our versatile fertilizer and fertigation injectors are the industry gold-standard for quality and reliability. Learn more about our fertilizer dispensers by watching our Videos, refer to our Literature, and check out the Mini Maintenance Kits and Seal Kits.

Garden Center / Greenhouse / Field Irrigation Key

(1) Living Walls
(2) Drip Irrigation
(3) Portable Fertilizer Injectors
(4) 3-Part Solutions A/B/C Tank
(5) Watering Boom
(6) Foaming
(7) High Water Flow System

Irrigation Installations

Below are the common ways to install and use your Dosatron Fertilizer Injector

Efficient Fertilizer Injectors for Irrigation

What do Dosatron Fertilizer Injectors Accurately Inject?

  • Fertilizer
  • Nutrients
  • Beneficials
  • Organics
  • Fish Emulsion
  • Teas
  • Chlorine
  • Sanitizers (special models)
  • Insecticides
  • Fungicides
  • Herbicides
  • Plant Growth Regulators (PGRs for drenching)
  • Wetting Agents
  • Algicides
  • Acids

No matter what you need to make your plants grow healthy and beautiful, you can count on the team at Dosatron to provide it! Our products are known the world over for their quality. When you need a new liquid fertilizer injection system for your operation, we're the name to know. Call us today to see how our in-line liquid fertilizer dispensers and other fertilizer injection systems can work for you! 

Mini Kit

The Mini Maintenance Kits are the perfect, economical solution for Dosatron users and growers who perform maintenance on a regular schedule. They can be used as often as necessary to ensure that your Dosatron fertilizer injector system injects accurately and runs smoothly. The Mini Maintenance Kits are available for the 11, 14, 20, 40, and 100 GPM fertilizer injectors.

Kits Include:

  • Recommended maintenance parts
  • Dosa-Lube packet – designed to easily lubricate your static seals and o-rings while you are changing the wear parts
Shop Now


Hear from people like you

 "I've been using Dosatron for over 10 years, and I'm very happy with their product. I've tried other fertilize injectors, but Dosatrons just work better. That's why I'm a loyal customer!" 

 Harold Witzke | Witzke Greenhouses | Courtice, ON, Canada  

"Dosatron makes a difference with our extraordinary plant material."

Evelyn and Mary Weidner | Weidners Gardens | Encinitas, CA

"Portable, versatile, and dependable... our Dosatron injectors keep our crops looking good!"

Henry Huntington | Pleasant View Gardens | Loudon, NH

"Dosatron is perfect for drip line fertilization. Best of all, it's water-powered, so it's sustainable AND saves us time and money!"

Hunter's Moon Farm | Oak Harbor, WA

"For more than 15 years I have installed Dosatron fertilizer injectors in every new greenhouse location. They're accurate, reliable, and simple to operate!"

Gene Batson | Batson's Greenhouse | Mount Dora, FL

"Essential for keeping plants fresh in our retail stores; that's why we have 42 Dosatrons!"

James Russell | Armstrong Garden centers | Chino, CA

"We have been using Dosatron fertilizer injectors proudly for over 20 years. They are easy to use, simple to maintain, and no one can match their service!"

Gus and Chad Corso | Corso Flower & Garden center | Sandusky, OH

#BBD0E0 »