Thanks guys for your suggestions. I know now a little more about ventilation and heat build-up, dissipation, etc.

Could anyone answer the second question ?

2) How close from the top of the plants can you lower an Adjust-A-Wings (wide setting) + Super-Spreader + 600 HPS light bulb ?
lweinlan Reviewed by lweinlan on . Adjust-a-wing reflector + 600 HPS in a grow tent ? I have 2 questions: 1) I am very interested in buying a Medium Adjust-A-Wings and Super-Spreader for a 600W HPS light system. I want to install one such system in a grow tent (enclosed space) that measures approx. 6.5ft x 6.5ft x 6.5ft or 1.95M x 1.95M X 1.95M. I do understand that one 600 HPS light is sufficient. My question is in regard to heat generated with a 600 light bulb used in conjunction with the medium Adjust-A-Wings and Super-Spreader in a grow tent (enclosed space). Normally, in Rating: 5