put the light abput 3inchs away from the plant then put your hand on top of the plant under the light and leave it there for a minite and see if it hot on your hand if so put the light higher.
Nikon Reviewed by Nikon on . light hight can anyone tell me what hight to keep my light from my plants ive got a 400w sodium and have heard to keep it 2 inches from the light at all times but that seems close to me or is that right :confused: Rating: 5