Capacitor, Convertible, 400W, 1/2 grow-light-bulbs These four products combine to

These four products combine to form the backbone of HN's natural feeding schedule and can easily be expanded with more natural Humboldt Nutrients additives and products

Using Clay Pebbles

where space is an issue restricting artificial light

Always mix in non-chlorinated water

RJ12 to RJ12 cable

Capacitor, Convertible, 400W, 1/2 grow-light-bulbs These four products combine toConvertible 400W Capacitor, 1 2 SPO Capacitors and replacement capacitors are available in a variety of wattages, brands, and types. Choosing a capacitor to best fit your system can be a confusing process. Contact your Hydrofarm sales representative with questions or for assistance shopping for capacitors and replacements, or to ask what best suits your current ballast and grow room setup.