Quote:
You won't be able to get a sustainable UV purple, or I wasn't. If I went UV pink + deep purple it would stain tubes bad enough to where they were pinkish brown after a day or two.
If you go UV blue / clear and deep purple it just reacts as UV blue.
If I was still running clear tube I would go with the second option. It looks decent as a UV blue and has a purplish color under regular light.
You may be able to sustain a UV purple in acrylic if it is more resilient to the staining caused by the UV pink.
I have posted this photo before but here is what my tube looked like after a couple days.























