HPS, or high-pressure sodium, bulbs are one of the most popular HID (high-intensity discharge) lamps in use today. Heavier in the orange-to-red wavelengths, HPS bulbs provide excellent spectrum for ...

Manufacturers originally designed double-ended high-pressure sodium light bulbs so they would be compatible with double-ended metal halide fixtures. Traditional single-ended high-pressure sodium bulbs ...

Indoor growing offers many advantages. The biggest benefits are the most obvious: garden pests can’t get at your plants, and you have total control over the weather. Yet unless you’re lucky enough to ...

Q: I'm replacing many of the light bulbs in our home with the newer, energy-efficient LED bulbs that appear to be replacing old, ordinary bulbs and fluorescent lights. Can LED bulbs be used to start ...