Rinse aid will help with some spotting. It does work to help with the larger sheeted pieces. A couple of things to caution with that is that you need to maintain the percentage at a relatively low percentage because if you do get a high concentration of the rinse aid in your rinse tank, that in itself can cause some spots and streaking. Also, if you do have a cascading rinse, be aware that as the rinse is being replenished, it is also going to be taking out some of the rinse aid so it takes a little bit of balancing, but it is certainly worth evaluating for your application. It doesn’t work with all applications, but it is worth a test.