Hydrodynamics International Facebook Hydrodynamics International Twitter Hydrodynamics International YouTube Hydrodynamics International Instagram

Since 1997, Hydrodynamics International has been offering the very best products for plant propagation, including plant nutrients and supplements for hydroponics, soil, and soilless gardens.

The Clonex propagation line, and plant nutrients and supplements available from HDI, help growers achieve success by producing vibrant and healthy clones that will develop to their full genetic potential.

Whether you’re growing in hydroponics or soil, HDI’s product lines include everything needed to begin the commercial production of healthy and bountiful plants.

Feed Schedule

Check out the Hydrodynamics International feeding schedules for both the Ionic and Europonic plant nutrient lines.  For use with hydroponics, soil, and soilless gardens.

Store Locator


  • Where can I buy your products?
  • Hydroponics and Garden Center retailers that would like to buy Hydrodynamics International products please contact one of the Distributors listed here. For all other inquiries please see the Store Locator at the bottom of our home page for a store location near you that carries our products.
  • How do I get samples of your products?
  • We supply hydroponics stores and garden centers with assorted samples of our products. Please inquire with your hydro store of choice regarding obtaining samples of our products. We also hand out samples at retailer events like Customer Appreciation events.
  • Do you have a feed schedule?
  • Yes, please see either our Ionic Feed Schedule or Europonic Feed Schedule.