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Which PhytoMAX-4 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...
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Photobiological Active Radiation, or PBAR, designates the range of wavelengths of light shown to effect plant growth, from 280 to 800 nanometers (n...
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Which PhytoMAX-3 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...
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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 ...
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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...
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Yes, our grow lights provide complete coverage of the plant biological active radiation spectrum from 350 to 750nm, including UV and IR. Our Phyto-...
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Why do some LEDs appear dim? Your new Black Dog LED grow light arrived in the mail; you unpack it, put on your no. 5 welding glasses (safety first...
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It is very important to run your growing area warmer with our LED grow lights than with HPS, MH, CMH/LEC, fluorescent, or even white LED lights. Be...
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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...
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Yes, our lights will work with 110/120 volts and 220/240 volts; PhytoMAX-4 SC models even support 277V, and PhytoMAX-4 SX lights run at 347V-- all ...
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The answer depends entirely on the size of the plants! The number of plants that can be grown under a light is the number that would fit in the app...
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Is it normal to see purple streaks on the stems / petioles? No, LED lights do not cause any kind of nutrient deficiency; purple streaks on stems a...
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