T8 Grow Lights: 7 Smart Picks for 2026
T8 grow lights are slim, tube-style lighting strips that deliver full-spectrum light to seedlings, herbs, salad greens and houseplants. The “T” stands for tube and the 8 for eight-eighths of an inch, a one-inch diameter. Today’s versions use LEDs instead of glass fluorescent tubes, so they run cooler and mount flat under almost any shelf. … Read more