How to calculate the k (colour temp) of a combination of bulbs?
Hi All,
I am coming up to needing to replace 3 (of 6) of my t5 bulbs and I have been reading a lot about color temperature and growth rates etc etc. However, all the info refers to 10k, 14k or 20k lighting. If you have 6 bulbs all with different color temperature then how to you come up with an overall figure? Is it just an average? Hope someone can ear this up for me. Ta, Dunc Sent from my Nexus 4 using Tapatalk 4 |
Well it's pretty much a guess.
If you had 4 blue 2 white 16k 3 blue 2 white 1 purple 14k 4 blue 1 white 1 purple 18k 4 blue 2 purple 20k Hope it gives you an idea...... |
I really don't know the answer to this either so I'll just talk out my arse..
If it were me, I would just take an average. The bulbs are rated at a certain temperature, and since light is additive, it would stand to reason that you could average them together ? Mind you, I have no clue what a fiji purple bulb's temperature would be.. |
I think a Fuji purple is 420nm.
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Fuji apples.....
Fiji purple is 15k same as the Ati purple plus. |
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The closer to white, more growth. More blue, better looking. Find a compromise you like looking at :)
Coming up with some random number based on averaging different bulbs is at best a WAG. Even bulbs from different manufacturers rated at the same K look different. |
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