Double T8 fixture?...as meaning two T8 fluorescent tubes?

You need to keep the tubes quite close on the seedlings....2-4 inches as they grow/stretch.

ps

T8 is not enough for flowering. Add extra CFL or HID bulbs.
Dutch Pimp Reviewed by Dutch Pimp on . When to move light? Hello, I'm using a double T8 fixture for my plants. As of now, they're 1 1/2 week seedlings. I can't seem to find any information as to how to do this and I'm really unsure and don't want to do anything incorrectly. So, you're not supposed to have the light far away at all, because it will stretch the plant, correct? (My seedlings currently have their two cotyledons and 3 days ago got their first two "true leaf" growing. They look very healthy, hair folicle growth is prevalent.) So what I'm Rating: 5