Questions & answers about growdealz
All growing questions →- Lighting How many watts of LED do I need per square metre? For flowering, plan on roughly 250-400 W of real power draw per m². Check what the lamp actually pulls from the wall, not the 'equivalent... Read the answer →
- Lighting How high should I hang my LED above the plants? Follow the manufacturer's chart. For many 200-400 W panels it is roughly 30-60 cm above the canopy, and stronger lamps hang higher. Read the answer →
- Lighting How many hours of light do plants need in veg and in flower? Photoperiod plants usually get 18 hours on and 6 off in veg, then 12 on and 12 off to flower. Autoflowering plants can stay on 18/6 or up... Read the answer →
- Lighting LED or HPS: which grow light is better? LED, for most people with a tent. It's more efficient, makes less heat and the diodes last years. HPS costs less to buy but needs more ve... Read the answer →
