Hydroponics Gardening Learning Center
Hydroponics
Here's a good article for beginners to hydroponics discussing different types of systems and how they work.	Hydroponics, gardening without soil. Article about hydroponics and four different types of systems.	How to build a typical ebb and flow tray system.	Frequently asked questions page about hydroponics and indoor gardening.
Hydroponic Nutrient
Flora Nutrient Weekly Feeding Calculator. Use this to create a table you can use from beginning to end.		Flora Nutrient Mixing Rates for some popular hydro crops.	One of many mixing ratios for the General Hydro Flora Nutrient.