IT IS MADE BY DURO-TEST, (FOUNDED 1929) AND IS NEW. DURO-TEST HAS MADE BULBS FOR N.
NO MATTER WHAT YOU ARE GROWING, THIS BULB IS THE BEST BY FAR. You have any questions or problems whatsoever. OPTIMARC GROW LAMP -- MFG.
No longer made / and. No longer AVAILABLE FACTORY DIRECT. LAMPS COMPLY WITH FEDERAL STANDARD 21 CFR 1040.30 FOR NON SELF-EXTINGUISHING METAL HALIDE LAMPS. SCROLL DOWN FOR MORE INFORMATION. Optimarc Lamps are super metal halide lamps made to replace High Pressure Sodium lamps in standard high pressure sodium fixtures.
They are available in 250 and 400 watt sizes. Optmarc lamps should ONLY be used in fixtures equipped with HPS ballasts. Lumen output is approximately 28,000 lumens in the 400 watt model.
Optimarc may be burned in any position. Use in fixtures using an HPS ballast, preferably a regulated lag ballast, such as the Advance brand with capacitor & ignitor. One of our customers who grows orchids for a living who used our Vita-Lite full spectrum fluorescents for years, decided to try something to save energy costs; and, after switching to HPS, she had trouble with blooming as well as the color and shape of and number of blooms. It closely conforms to CIE standards for full spectrum natural light, and has long been known as the very best H.
Grow light for all plants. Ought to have bought it when I saw it. The item "250 watt Duro-Test OPTIMARC 5200K full SPECTRUM LIGHT BULB converts HPS MH 913" is in sale since Wednesday, August 17, 2005.
This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Gardening Supplies\Hydroponics & Seed Starting\Grow Light Bulbs".1888" and is located in Geraldine, Alabama. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Bahamas, Viet nam.