Metal halide or high pressure sodium
What colours do they emit and which is better?
Browsing: Lights
Accidental dark period
What'll happen to my garden without light for a day?
Parabolic lights
Are parabolic reflectors as good as other types?
Ripening crop reprise
How do you get buds to ripen quick?
Right size light
What's the best light for a 4'x4'x5' garden?
New sexing technique
Can 36 hours of darkness tell sex?
Tracking blue light
Why do plants grow towards blue light?
400 watt lamp
What's the best space for a 400 watt lamp?
Too much light
How much light is too much?
Infrared detection
Should you protect against infrared?
