Hi Amy,
Depends what make and model of camera you have. I would just search youtube for " How to set white balance (Cameras make &Model)"
For example: how to set white balance canon 70d
Yep . I'm still figuring mine out, it's an old camera so I'm still not sure it's adjustable.
My post was intending to ask DS to do it to his camera - I'm having trouble looking at his pics. (And if I'm having trouble, I know there'll be others who can't look at them at all!)
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And I can do it myself in photoshop no problem . - but I'm not asking you to that DS! It's super tedious (I did it a bit when I first joined).