Home made UV dyes

[mlwood37]

I know what you mean.

If I'm using distilled water with a drop of PT Nuke does this also protects against corrosion or do I also need something else if I want protection against corrosion?

You need a inhibitor for corrosion PT Nuke is a biocide. The two main things to run in loops are 1 biocide and 2 inhibitor. and water of course. every thing else after that is for looks only.