Ignitor, Sodium, 150W microbes Pro Reflector 6-sets in bulk:

Pro Reflector 6-sets in bulk:

Can be used for either the carbon or sediment filter

Let container sit in warm water for a few minutes to liquify

a serious controller for serious growers

Dishwasher safe

Ignitor, Sodium, 150W microbes Pro Reflector 6-sets in bulk:Ignitor, Sodium 150W (SPO) 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.