Spectral output changes in a HPS lamp as it ages. We recommend changing your lamp every 9-12 months for optimum growth conditions.
Ballast enclosures are made from heavy gauge steel and are powder coated to ensure a hard wearing finish. Thoroughly tested to ensure each product is in full working order and is electrically safe. 24 hour plug and play timer.
Will control up to 13 amps. Can be set to switch from 15 minute intervals. The item "Hydroponic Tent Grow Light Kit Ballast Euro Reflector System HPS 250w 400w 600w" is in sale since Thursday, December 4, 2014. This item is in the category "Garden & Patio\Hydroponics\Grow Lighting & Accessories\Grow Light Kits". The seller is "hydroponics4less" and is located in Solihull.This item can be shipped to all countries in Europe, Antigua and barbuda, Australia, United States, Bahrain, Canada, Brazil, Japan, New Zealand, China, Israel, Hong Kong, Indonesia, Malaysia, Mexico, Singapore, South Korea, Taiwan, Thailand, Bangladesh, Belize, Bermuda, Bolivia, Barbados, Brunei darussalam, Cayman islands, Dominica, Ecuador, Egypt, Guadeloupe, Grenada, French guiana, Jordan, Cambodia, Saint kitts and nevis, Saint lucia, Sri lanka, Macao, Maldives, Montserrat, Martinique, Nicaragua, Oman, Pakistan, Peru, Paraguay, Reunion, Turks and caicos islands, Aruba, Saudi arabia, South africa, United arab emirates, Chile, Bahamas, Colombia, Costa rica, Dominican republic, Guatemala, Honduras, Jamaica, Kuwait, Panama, Philippines, Qatar, Trinidad and tobago, Uruguay, Viet nam.