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Hydroponics is the science of growing plants without soil.
HYDROPONIC SUPPLIERS:
 | Greentrees Hydroponics |
| Hydroasis |
| Hydrofarm Gardening Products |
| Hygro Technologies |
| Light Manufacturing Company |
| Sea of Green Hydroponics |
| Sierratech International |
| The Farm @ InterUrban |
LINKS TO HYDROPONIC RESOURCES:
| Growing Edge |
| Hydroponic Farming Hawaii |
| Hydroponic Society of America |
| Hydroponics Mailing List |
| The Get Set! Gardening Page |
| The Growroom |
| The Urban Farming Source Book |
