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CRI, or Color Rendering Index, is a quantification of how faithfully a light source reveals the relative color of various objects, as perceived by ...
What are lumens, and are they useful for evaluating grow lights? Lumens are a measure of luminous flux, or the total amount of visible light radia...
Yes, our grow lights provide complete coverage of the plant biological active radiation spectrum from 350 to 750nm, including UV and IR. Our Phyto-...
Which PhytoMAX-2 light do I need to replace my existing grow light? There are a lot of different grow lights on the market, and each one is differ...
The efficiency of LED lights depends on how you measure it. There has been a long-standing "standard practice" in the lighting industry to measure ...
Can Black Dog LED grow lights be used for both vegetative and flowering growth? There has been a popular belief that plants need more blue light fo...
How are PAR/PPFD measurements often manipulated? PPFD measurements should be taken over the entire area of the lighting footprint at regularly-spac...
We have a lot of experience growing a diverse range of plants under different combinations of LED grow light colors. In our (and others') experimen...
LED diodes are rated based on the amount of power (wattage) they can theoretically handle, if they are perfectly cooled. Some LED grow light compan...
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