Here's a new one! I have been using the Bona hardwood floor cleaner for the past few years and it does a great job. Someone told me that a professional hardwood floor installer said that Bona is exactly the same formulation as windshield washer fluid - the kind that goes into your car windshield washer spritzer. Has anyone else heard about this and tried it? It certainly is much less expensive than the Bona product. ... View related article.