Here's a good article for beginners to hydroponics discussing different types of systems and how they work.
Frequently asked questions page about hydroponics and indoor gardening.
Hydroponics, gardening without soil. Article about hydroponics and four different types of systems.
Here's a definition of Rockwool and description of the different products used for hydroponics.
How to build a typical ebb and flow tray system.
Details about our popular Multi Flow Hydroponic System.
Flora Nutrient Weekly Feeding Calculator. Use this to create a table you can use from beginning to end.
Nutrient strength is measured in parts per million (PPM) and electrical conductivity (EC). Learn why you should know the difference
To find the N-P-K ratio for a blend of the three Flora nutrients use the Flora Nutrient Calculator
Basic nutrient deficiencies table. With a list of elements that may be the suspect.
Flora Nutrient Mixing Rates for some popular hydro crops.
Flora Nutrient Guaranteed Minimum Analysis. Details of each element in the Flora Nutrient.
Controlling heat in the grow room is very important. This article will give you an idea of how it's done.
How to take and root cuttings (clones). This is probably the hardest part to master.
Specifications for the exhaust blowers including wattage and air flow.
Indoor gardening and the environmental issues you will face.
Here is a CO2 calculator that will tell you how long a carbon dioxide tank will last.
A page about the different types of grow lights and how to select one.
Here's a page about the different types of lights that can be used for growing.
HID Ballast Guide from Advance transformer. Includes specifications and lamp types. 68 page file.
Do you want to run you lights on 220 volts to save power? If so, you should read this first. Watts cheaper 110 or 220?
In depth article about how to build a grow light controller or a relay to switch on many lights.
The basic information on how to choose a grow light
Calculator for finding the cost to operate a grow light and the bulb replacement cost.
American Agritech manufactures many hydroponic systems and nutrient formulas.
General Hydroponics is best know for their nutrient. They make the AeroFlo, WaterFarm & RainForest systems. Many of their products are listed on our site.
Sunlight Supply is probably the most widely known hydro distributor with thousands of products. We've been with them since their beginning in 1995. Actually before their beginning if you count the years that the current owner was working at another company.
Advance Transformer manufactures the best ballasts for grow lights.
Sunmaster makes high output lamps for the hydroponics industry.
Magnetek Another ballast manufacturer.
Sylvania Our preferred manufacturer for lamps. Very reliable bulbs.
Philips Another lamp manufacturer. they make the original Son Agro lamp.
GardenGuides is a well-recognized gardening resource for flower, herb and vegetable gardeners containing over 400 original articles.
Need to find out how many ounces are in 600 teaspoons? Try Online Conversion Convert just about anything to anything else.
If your considering a commercial hydroponics operation, the Mayhill Press has some books and videos to help you get started.