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Hytekgro LED Grow Light 45W Plant Lights Red Blue White Panel Growing Lamps for Indoor Plants Seedling Vegetable and Flower (2 Pack)View on Amazon
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VIPARSPECTRA UL Certified 1200W LED Grow Light, with Veg and Bloom Switches, Full Spectrum Plant Growing Lights for Indoor Plants Veg and FlowerView on Amazon
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Roleadro Led Grow Light, 2020 Latest RL1000 Plant Light, High PPFD Rating Full Spectrum LED Grow Lights for Indoor Plants Veg and Bloom, Plant Growing Lamps to Cover a 2x2 ft Flowering SpaceView on Amazon
Last update on 2023-02-04 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API
Even though there are less daylight hours during the winter months, this does not indicate that the growth season has to come to an end. Under grow lights, leafy greens and even some types of herbs can be grown successfully indoors. When selecting indoor grow lights, here are some things to keep in mind.
Spectrum: LED grow lights imitate natural light, although they may not necessarily contain all the colors of the electromagnetic spectrum, unless they are full-spectrum white LED lights. A mixture of blue, purple, red, and infrared (IV) diodes is what you should search for if you're cultivating cannabis plants from seed to flower.
Heat output: The best LED grow lights have cooling mechanisms like heat sinks or fans that also prevent overheating to prevent leaf burn. The ideal temperature range for LED grow lights is 80–84° F.
Footprint Map: The footprint map shows the amount of grow space that each height of the light covers. This is expressed in feet and typically ranges from 2' 2" to 4' 4".
Power: Despite what the general public thinks, wattage isn't the best indicator of how much power an LED light uses. Higher wattage could be more expensive for you because LEDs are intended to be economical. The amount of light a plant absorbs, expressed as a 400-700nm PAR value, is the genuine indicator of power. Photosynthetically active radiation is referred to as PAR. In other words, it refers to how much light is visible that a plant uses to carry out photosynthesis.
Micromoles per joule is the unit of measurement for light intensity. You'll find this stated as umol/j or PPF on a product listing (photosynthetic photon flux). Because they emit more photons of light per second, the best LED grow lights have high PPFs. Try to find lights that have 1.5 umol/j or more.
You might also see a measurement of mol/m2/s, or PPFD, in addition to PPF (photosynthetic photon flux density). Even though it sounds complicated, all you need to know is that PPFD counts the photons that strike a plant's surface every second. To calculate the PPF and PPFD on the footprint map, you must first determine the intensity of the light at each height.
Voltage: Home growers frequently forget to check whether their power outlets can support the voltage range of an LED grow light, particularly if it has the daisy-chain feature. This uses more wall power yet enables you to connect many lights across large spaces.
Lifespan and Guarantee: Because cannabis grow lights are an expensive investment, having a warranty provides you peace of mind and ensures you can return and replace damaged parts. Additionally, choosing products with a longer lifespan is preferable (more hours).
What wattage works best for LED grow lights?
When manufacturers claim that their product has "high-powered" watts, don't believe them. Not the best measure of power is wattage. The finest grow lights for indoor plants instead evaluate light intensity using PAR, PPF, and PPFD. So, after measuring your grow space, multiply each square foot by 32 to get the best wattage. This translates to 32W/sq.ft.
Can any LED light be used to cultivate marijuana?
Weed plants can be grown under any LED light with the right light spectrum and temperature. But the majority of conventional LED lights don't provide enough light, and the light they do produce is typically not full spectrum. A dedicated grow light made especially for growing plants will almost always yield superior results.
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