jellybeard999 said:distilled water and that alone ideally...
but otherwise it depends what metals are in the loop (pump, blocks, res, rad etc)
if mixing metals, add zerex to the mix (in the correct quantity)
ichabod crane said:additives wise you will have to order of the internet not many places that stock that sorta thing. you should be ok with just plain distilled water until you have oppurtunity to order some additive, or i could post u a vile of some if i can find one
locutus12 said:Answers on a post card addressed to Rolph Harris Please.