Quote Originally Posted by 1puff2puff3puff
the mh provide a red spectrum for veg
huh? MH is for veg, but it's bluish, not reddish.

Quote Originally Posted by 1puff2puff3puff
You can use it if you hood is switchable,
huh? Are you talking about a switchable ballast?
Opie Yutts Reviewed by Opie Yutts on . How long do i veg from seed? Hello all im a new user that needs a bit of help. This is my second grow under lights (hopeing to do better this time round). Im using a 400w hps bulb and the plants are in clay balls with a watering system that waters for half an hour every two hours, ive got the light on for 22 hours and off for 2. ive started from seed and they are a week in (since sprouting up from cube) and they are looking good. im just wandering how long i should veg for since they are starting from seed? is 5 weeks Rating: 5