![]() Modern grow lights you’ll find on the market today will emit several hundred units of foot candles.įluorescent lighting is a great option for indoor plant varieties that enjoy either full sun or low or medium light conditions, like Snake Plants, Dracaenas, and Aglaonemas. A foot candle represents how much light is concentrated on any area from a distance of a single foot away. Although, this measurement is now a bit of a relic of the past. Foot candles: Foot candles are one way a grow light’s output is measured.Lumens, however, is not a unit of measurement specific to plant growth and defining intensity in lumens isn’t the best way to determine how effectively a grow light delivers full-spectrum light to a plant. Lumen: Lumens can be used to measure the brightness of a lightbulb, the amount of lumens usually corresponding to the brightness of the light produced.Therefore, PAR exists in ranges of between 400-800nm. Like Nanometers and Kelvin, PAR is a measurement of visible light. ![]() PAR is the measure of photons that a light emits.
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