What is the best way to clean old equippment.

[fkshiu]

Originally Posted by lastlight

I read to dilute with ro water as reg water will reduce the effectiveness of the vinegar...meaning the minerals etc in reg water will react with the vinegar i think.

I'm amazed you can re-use the vinegar. Is it becoming less effective?

I've used in over and over again at 100% and it seems just as potent as the first time - the pungent vinegar smell is still there as well. I think if you dilute it then it will become less effective if you try reusing it.