We have combined some of our best articles and info into a series of short class’s that give step by step instructions on many common gardening tasks.  Don’t worry — there are no tests and the classes are quick and easy to understand.  If you have a specific question that isn’t covered here you can always “Ask The Professor“.  The faculty at Hydro U is constantly updating our curriculum so check back often.  If you have an idea for a class, please feel free to share it with us.  CLICK HERE to contact the Professor with your idea.

Classes are listed below along with a description of topics covered.  Simply click on the topic that you want to study.


USING ROCKWOOL – Everything that you ever wanted to know about using Rockwool; a very popular growing medium with the old timers.

GETTING STARTED WITH HYDROPONICS – This article will guide you through the process of preparing starter cubes and planting seeds as well as mixing and using nutrient solutions.

pH CONTROL – The complete guide to pH control.  Learn why pH is important, how to check and adjust pH, and what to use in an emergency.

GROWING MEDIUMS – Here we cover the most popular types of growing media, explaining the benefits and drawbacks of each and how to use them successfully.

TAKING SUCCESSFUL CUTTINGS – Learn the tricks of the trade for taking cuttings of your favorite plant(s) successfully.

LIGHTING– Everything that you need to know about artificial lighting for your indoor garden.

USING CO2– Understand when and how to use CO2 injection to improve plant growth and increase yields.

FOLIAR FEEDING – An excellent article written by Dr. Lynette Morgan and reprinted here by permission of Maximum Yield magazine.

Articles Out of Maximum Yield