If you only have two seedlings id just go grab a couple 6500k 26w cfls. til they get a little bigger. Work up to that 400 plus theres no need to put extra use on that bulb until its needed. Cfls are way cheaper than a replacement bulb for that 400
pushit Reviewed by pushit on . new grower with a question hello all! i have 2 seedling thats few days old, they alrdy sprouted from the soil i have only 400w hps light with cooltube and air controll my grow room dimensions are hight:150cm length:75cm deep:55cm i want to put them inside the closet now, so my question is how far should i put the 400w hps light above my sprouted seedlings?? Rating: 5