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To calculate 10 percent of a number,
simply divide it by 10 or move the decimal point one place to the left.
For example, 10 percent of 230 is 230 divided by 10, or 23.
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Spider Farmer SF4000 Dimmable Full Spectrum LED Grow Light
Spider Farmer LED Grow Lights are the most efficient, effective lighting system on the market. They're made with Samsung LM301B diodes and provide you with a full-spectrum of light, including white, blue, red, and infrared. This means your plants get plenty of everything they need to thrive.
With these lights, you'll get the best growth rates possible while saving energy. You can only run them at 450 watts—which is half as much as HPS or Blurple lamps—and still achieve 50% more harvest than those systems. The veg footprint is 6 x 6 ft and the flowering footprint is 5 x 5 ft. The SE4000 has an upgraded SF series, with a dimming knob and light switch. This allows the user to adjust the light intensity at will – crucial when growing plants indoors or commercially.
Whether you're a pro or a beginner, the SE4000 is an excellent choice.
Newly upgraded with dimming knob and light switch
SE4000 has an upgraded SF series, with a dimming knob and light switch. TAdjusting the light intensity at will can be crucial when growing plants indoors or commercially.
Outstanding PAR, PPF, and Yield Performance
The SE4000 is a true powerhouse, with one of the best PAR (photosynthetically active radiation) and PPF (photosynthetic photon flux) performance of any LED grow light on the market. Combined with its high light efficiency, this makes the SE4000 deliver unparalleled yield performance.
Commercial Quality Grow Light
With a vegetation coverage of 6 x 6 ft and its flowering footprint of 5 x 5 ft, the SE4000 is perfect for commercial growers who need to maximize their space usage and produce more yield with fewer lights. SE4000 also has high PAR coverage, you will be able to grow plants both indoors and outdoors with amazing results.
Ideal For All Growth Stages
The SE4000 has been optimized for all growth stages, from germination and seedling growth to vegetative and flowering stages. Its high PAR at the top of plants ensures that your plants will be healthy and happy. With an incredible PPF rating of 1217uMol/s, the optimum light intensity is achieved with minimal energy consumption.