UL Listed features self-contained ballast and a smaller diffused specular aluminum reflector for optimal intensity and the option to air cool. High Pressure Sodium (HPS) Lamps have initial lumens between 120,000-140,000 lumens and deteriorate slower than metal hallide lamps. They are dominant in the red-yellow spectrum and possess minimal amounts of the blue-green spectrum. System Includes: Reflector, bulb, ballast (inside reflector). Warranty Information: Six year for ballast, one year for bulb. Reflector Dimensions: 6"H X 16"W X 20"L. General Hydroponics exclusive new control kit is included in the bundle pack. Our kit contains pH Up (add a little at a time when your nutrient pH is too low in order to raise the pH to the desired level), pH Down (uses food grade Phosphoric acid to lower the pH to the desired level), and pH Test Indicator (fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Use 3 drops per 5mL of solution). Pipette also included for easy transfer of all liquids. Make sure to clean the pipette between uses. This is another great product available exclusively from Flora Hydroponics.
