Why red and blue LED grow lights never took off
Anyone who has been growing plants for a while has probably seen a chart showing the absorption profile of chlorophylls A and B, as shown in the image below. From…
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DIY Warm white LED lamp PAR measurements, not so exciting after all!
If you read my last few posts about DIY LED lamps built using 150W warm white LED cobs (which do not require an independent driver) you might have been excited…
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Cheap DIY high power LED grow lights: Introducing the Zip-tie lamp
Make sure you also read this post, where I studied the PAR of these lamps and realized they are not as good as I thought! Several months ago I wrote…
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Are High Pressure Sodium (HPS) Lamps better than LEDs?
Growers who use artificial lighting usually prefer high pressure sodium (HPS) lamps to do the job. Not only do HPS lamps have a very high photon flux but compared to…
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