
Yea pre mixed is easier and is ready to just throw in your loop straight away. Use hot water followede by dionised water to flush the rads first though to ensure they are clear of crap.
Just purchased some Mayhems Ultra Pure H20 and a silver kill coil - do I need to add anything else to the water?
Should be ok but its the make of hose you need to worry about with the
Plasticizer Problems ive still to buy mine yet.
Tygon is the worst tubing for depositing Plasticizer. Go with Primochill, i been using if for years.