[GMcKenzie]

Originally Posted by {tpc}

As for adding some antifreeze to the traps, I always do as a last step, however I kinda had a revelation yesterday about this. When doing the antifreeze portion, wouldn't the traps get filled with it anyways? As well as the gray tank, and the black...assuming you flush the toilet a bit to let some run in there?

I think the comment is more for those who blow out their lines. I've never bothered to put more in the traps after running it through the lines.