Hi I was going to use this product as a corrosion inhibitor:
It's named 'Purple Ice Radiator Super Coolant' (details here:
http://www.royalpurple.com/prodsa/prpice.html ) but as it's bright purple, I'm wondering if it's suitable as I know Swiftech warn you against using dyes in your system.
Should I go for another product, or is the colouring in this solution pretty harmless due to low concentrations/it's not a dye in that respect.