Grow tents are great for growing plants in a controlled environment. They allow you to control the air flow and filtering, humidity, and lighting conditions. If you have a grow tent you likely want to put some thought into choosing the right lighting setup for your grow tent. 4 feet by 4 feet is a standard profile for grow tents and here at greenvibe.net we want to give you our roundup of the best grow lights for a 4x4 grown tent.