A very popular, comprehensive tutorial titled "Processing a (noisy) DSLR image stack with StarTools" by Astro Blog Delta.
It doesn't stop there however – the Fractal Flux module can use any output from any other module as input for the flux to modulate.
To apply the new colour balance to the whole image, launch the Mask editor once more and click Clear, then click Invert to select the whole image.
Their operation is intuitive; is there too much red in your image?
You can convert everything you see to a format you find convenient. Give it a try!