Was watching lthe BNSF locals sorting cars recently, after a light overnight snow. Noticed, on a few 2 bay covered hoppers, the water running down the side of the cars. Wondering if anyone has done something like this, and if so, how?? Same thing, with wet cars, froma rain storm, or thunder storm. Especially tank cars, because of the rounded tank!Maybe not everything dripping from bottom of car!
Done using Bragdon powders in the past, Applied a mix of alcohol and water with an eyedropper. Bragdon weathering powders are water soluble and can be washed off.