Yes, thanks. I found a source, too, but re-thought it when I realized it's a 5 oz. tube, that would be about $32 all-up, delivered to my house, when I can get 22 oz. of Citrisurf gel for the same price. We'll see, I might regret it, but I think it's worth a try.Wichinox is still available, just not from West Marine. https://www.fisheriessupply.com/wichard-wichinox-stainless-steel-etcher-cleaner-9601
I finally have come to appreciate the fresh water wash down the previous owner installed, if for no other reason than this!