light should be on fulltime 24hrs for vegetating man, and when you switch to 12/12 depends on how big you want your plants. Usually vege mine for 4 to 6 weeks the flower(12/12) for 3 to 8wks
Hellrazor Reviewed by Hellrazor on . just wanted to no about when you should start useing a light after germanaion+ hey when should u use a light after germating the seeds because i have planted 3 seeds but only 1 has started growing after 3 weeks it about 2 cm tall with two little leaves and is looking ok. i am trying to get a flu light for my plant but at the mo i am useing a soft white light will it do the trick? how long should i be leaving this light on for at the moment? when should i change the amount of light given to the plant to flower the plant?. any help is really help full thanks Rating: 5