Originally Posted by Jordan Y.

I basically run straight water because it's easier to flush it that way. Just hook the flush kit to the hose and run the engine for a few minutes with the drain cock open. I add a little bit of antifreeze when it comes to winter time but only if it starts getting down there in temps. These mild winters the last few years haven't really bothered me.

When I actually bothered to collect used antifreeze, I either flushed it down the toilet or poured it into my fluid waste bottles with the oil and brake fluid and tranny fluid I'd managed to avoid spilling on my driveway. Then I took those to discount.