What is the temp in the tent? I bet it is too high... You should be able to get your light 2 feet from the plants with proper cooling. Increase air circulation or run A/C and supplement co2, otherwise get an air or water cooled light. My buddy runs a water cooled thousand watt fixture in a tent your size and can get his plants about a foot from the fixture, only drawback is he has to run a pump and a 50 gallon reservoir outside the tent in order to keep the light cool.
growmaxx Reviewed by growmaxx on . Gull Wing or Enclosed Fixture? Anyone out there running a 600 W HPS with an enclosed fixture? I'm using a gull wing and I can't get it within 3-4 feet of my plants or it burns them. How Close to your plants in flower can you get that fixture and what did it cost. Growing in siol 4x8 mylar tent 600 W HPS for both stages (Till I can afford a MH light) Into 10 days of 12-12 light cycle Rating: 5