Recent content by ScienceRules

LEDs are very directional in their light output, which has advantages and disadvantages. When you want light in a specific spot and not somewhere else, it's great. When you want to spread your light out more omni-directionally or spread it over a larger area, that's an issue. The exception is...

And the 4th category is of course LED lighting. My 2 cents on something to be aware of with LEDs: When comparing LED vs HPS/CFL/MH, it's really important to keep in mind that all LEDs are not created equal. That's true of other lighting types, but not as drastically. There are a lot of cheap...

Might be misunderstanding, but are you asking if you can give broad spectrum light for 12 hours, and then only provide select wavelengths during the dark hours to grow the plant without actually waking it up, so to speak? That answer is most likely no. Plants wake up most efficiently from deep...

Plants can turn photons from any PAR wavelength into photosynthetic energy, they just do it more efficiently with red and blue light than the other wavelengths. That process uses chlorophyll even if the chlorophyll wasn't the pigment to absorb the photon. That makes me seriously doubt that you...

Re: Official LED Grow Light Review Great comment Wheel, I completely agree. The LED lights I know, use phosphor downconversion of high quality blue LEDs (the most cost- and electrically- efficient LEDs) to create a broad grow spectrum that emphasizes blue and especially red light, but provides...

When comparing LED vs HPS/CFL/MH, it's really important to keep in mind that all LEDs are not created equal. That's true of other lighting types, but not as drastically. There are a lot of cheap "get-what-you-pay-for" lights out there. Keep in mind that a 50,000 hour light relying on a fan to...