Red, White and Blue; What does each color do?

NietzscheKeen

Well-Known Member
I'm interested in LEDs and no absolutely nothing about them. I see some of the more high end lights have options to switch between red and blue light and some even brag about having white ones added on them.

There is a supplier nearby that sells these. Has anyone used them?

They are slightly cheaper than some others, so I was thinking about starting with them and then moving up to include Fero or Area51 brand after a while. The thing is, I'm supposed to choose Blue & White and/or Red tubes.

Are Red and Blue colored LEDs used for different things or are we supposed to use both at the same time?
 
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