We have answered some of the more frequently asked questions about hydroponics, gardening indoors with lights, and organic gardening in this FAQ area. Questions that are not covered in this FAQ should be posted to our hydroponics forum. To join ongoing discussions concerning hydroponics, please join our automated mailing list. In our forum and on our mailing list you can discuss all aspects of hydroponic gardening, indoor gardening, and organic gardening with people all over the internet. If you cannot find the answers to your questions in this FAQ or on our automated mailing list, email us and we will try to answer your question as soon as possible.

FAQ about plants in general:
What is N-P-K?
Help, my plants are dying!
How do I take clones/ cuttings from a plant?
What is eating my plants?

Hydroponics FAQ:
Does rockwool affect nutrient pH?
What is Hydroponics?
How do the different types of hydroponic systems work?
What are the different types of hydroponic media
Am I seeing a nutrient disorder in my hydroponic system?
What should I know about working with hydroponic nutrients?
What are pH and PPM values for plants in hydroponics?
How do I build my own ebb and flow hydroponic system?
How do I build a air pump/ passive style hydoponic system from an aquarium?
How do I figure out what size pump I need for my ebb and flow or drip system?

Indoor Gardening under lights FAQ:
What kind of lighting do I need to grow plants indoors?
What are the different types of HID grow lights?
What size grow light do I need to cover my garden area?

Indoor and greenhouse climate control FAQ
Do I need fans in my growing area?
How do I set up a climate controller?

Pest control FAQ:
Beneficial insects for pest control
Organic pest control

Organic and soil gardening FAQ:
why should I use guano as an organic fertilizer?
What are Worm Castings?
Composting Tips
How many pots will a bag of soil fill?