Ignitor, Sodium, 250/400W organic A fibrous root system means

A fibrous root system means a greater root tip surface area and translates to a greater efficiency in the absorption of water and nutrients

Weight: 53

this formulation is ideal for growers looking for a general purpose medium which creates a well balance growing environment

Its lightweight anodized aluminum and stainless steel design can deliver heavyweight results in any sized medical production

Ignitor, Sodium, 250/400W organic A fibrous root system means250 400 watt Sodium Ignitor (all ballasts) Ignitors are components inside ballasts. They take power off the transformer and use it to strike the bulb inside the reflector. Replacement ignitors are available in a variety of wattages, brands, and types. Be sure to review item numbers and descriptions carefully before ordering. Contact your Hydrofarm sales representative for help selecting the proper components.