We setup our second grow light in the basement to start seedlings under. If you look under the seedling flats you will see the black seedling heat mats. The grow lights are each the Agrobrite T5, 4 foot long, 6 tube light fixtures.
The grow lights are each suspended with their own pair of Apollo Horticulture GLRP18 grow light hangers. After using these hangers I can honestly say I’ll never have another grow light setup that doesn’t include them. They make lifting and lowering the lights for watering or general access the seedlings an absolute breeze.
The seedling heat mats are both Hydrofarm MT1009 48 X 20 inch mats that are controlled with a the MTPRTC, digital ETL certified thermostat designed for seedling germination. The thermostat is digital and very easy to use and setup. The digital timer to control the lights was more difficult to setup as compared to the thermostat.
Everything is connected to the surge protector and the lights controlled by an inexpensive digital timer/controller. The lights are on for 18 hours daily and the the heat mats are set to keep the seedling trays at 80 degrees.