Originally Posted By: paulswagelock
That is RV antifreeze, not for cars. Made to winterized plumbing systems.
Thats what it is, antifreeze for drinking water systems. You pump it undiluted from the jug( in my rv i have valve and a hose to stick in the jug). I also pour some in each of the sink traps, use the rv pump to push it through the faucets and the toilet, shower head, and outside faucet.