You're better off running simple distilled water and some PTnuke and a killcoil in your loop. Those coolants are overrated...they don't perform any better than plain water, and have particulate matter that can gunk up your gear.
Appreciate the uick response. I am running distilled water now - trying some other options to keep me occupied. Would really appreciate if anyone can tell me if the rotten egg smell is normal - or indicative of coolant degradation.
I've never used that; only used the Swiftech Hydrx and some Feser1 (briefly) then flushed it after about a month. Personally, I like how solid white looks...and you get a better UV glow. Even colored tubing reacts better in most cases than UV coolant.