for getting sparkling, streak-free, immaculate windows? I've read that a solution of water, vinegar & a very small amount of dishwashing liquid was just the ticket. And of course commercial makers of glass cleaners tell you maybe otherwise. So would the inexpensive homemade solution be equal (or even better) to the commercial one? What does science have to say?
PS: What causes "streaking" anyway?
PS: What causes "streaking" anyway?