Im working with 400 watt and 1000 watt dual balast set ups. I was wondering which light i should be using for veg. and which for flower?
Hbuddy Reviewed by Hbuddy on . HPS and MH lighting - Tips and info, optimal distance from tops! This is basically like a mini guide and crash course on HPS and MH lighting, benefits of each, differences to other types of lighting, and most importantly knowing the proper distance between the bulbs and your plants - regardless of heat! Some basic things to know, what is MH/HPS?: - MH: Metal Halide - HPS: High Pressure Sodium MH and HPS are far superior lighting alternatives to the sun over any other type of lighting known to man. Some people suggest that you should accommodate Rating: 5