Corrosion and scale inhibitors

…in a certain way, and so we've actually walked into a few of these places that said, "Oh, I have to treat the water, and they don't understand that they have to treat the water by adding either corrosion and scale inhibitors and things of that nature, or blowing down this water to a certain level to keep concentrations at a minimum, and what they end up doing is actually fouling or scaling their equipment, and having to scrap that equipment…