2100k vs 2700k vs 4500k vs HPS for flowering

nucleo

Active Member
I've seen grows of someone using a 4500k and it outperformed a 2700k. Seen another where someone has 1200w worth of 2100k induction lights and it outperformed the HPS.

2 questions...

1) Is a 4500k CFL better than their red counterparts? Does it have to do with the wavelength or the lumens for this example?

Meaning if i have a 100w 4500k vs 100w 2700k or 2100k, the 4500k will outperform because it has more lumens than the other 2, whereas if i already had enough lumens, the 2100k or 2700k would outperform the 4500k?

2) Here again, would any induction light outperform a hps if the wattage on the induction was greater to match with the lumens a HPS would produce, having the only difference being the wavelengths each light uses?

Let's take a small space and minimal amount of plants to answer to these questions.
 
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