[biff]

I've been running my new loop for a while now just to make sure everything is fine, using distilled ATM. I got some fesser coolant that I'm going to try just for a break of many years of glycol green. The bottle is very adamant about not mixing it with any other fluids. Now I have my doubts I'm going to be able to get every last drop of distilled out come change over time without a complete tear down which would be counter productive. Are the two fluids really that incompatible? TBH I was kind of hoping to cut it with something as it looks pretty dark in the bottle and 1L may be pushing it for being enough for my two loops.