What kind of metal is my shower head?

Shower heads bring back good memories . We made thousands out of brass for National Parks back in the 80s on a Makino Baron 20 cnc lathe . That was my introduction to cnc .
 
When I lived in Corvallis, Oregon I had high sulfur (H2S) water. The whole neighborhood did. A nearby road was called Sulfur Springs Road. When I first bought the house, I had a clorox injector pump added to the incoming water line. But this turned out to be a high maintenance item. I replaced it with a venturi system that pulled air into the incoming water. A storage tank, with an air vent on top, was needed to bleed off the excess gases. The water had no smell at the tap.

You can also get a simple device for your well head, basically a small tee and bypass, that dribbles some of the water back into the hole, entraining air with it and neutralizing the sulfur downhole. A couple of my neighbors used such a system.

Sulfurous water is not just irritating and corrosive to Zamak and other fixture materials, but if your house is plumbed with copper, it will eat out the pipes and cause leaks. I had to replace several sections of pipe that developed pinholes (probably from when the original owner "lived with" the sulfur smell.)
 
Zamac is no good for flowing water. I know by experience. I had some sprinkler heads and faucets go bad for this reason.

It doesn't fetch much as scrap. Any use in the shop? I did a search, and all people were doing was casting it into ingots. There may be no other use.
 
Zamac is no good for flowing water. I know by experience. I had some sprinkler heads and faucets go bad for this reason.

It doesn't fetch much as scrap. Any use in the shop? I did a search, and all people were doing was casting it into ingots. There may be no other use.

In an old job we used some sort of low melting point alloy to add mass to super thin Aluminum castings prior to machining. When machining was complete, the alloy would be melted out and leave some very thin accurate walls. Since the aluminum would melt first, this probably wouldn't be the right alloy, but maybe it has use for that.
 
No comment on the shower head construction. Probably Pot Metal, maybe Zamak.

Back in the dark ages when I was stationed in Florida, anywhere near the St Johns river stunk to high heaven. I was at Mayport, near the Naval Station and spent most of my off time near Palatka. What we had there was sulpher water. Military installations and many older homes had an aerator to decrease the sulpher content. But in truth, once you got past the smell, it probably was the healthiest water to drink. Swimming in the backwaters of the St Johns like Welaka Springs kept mosquitos away. They might light, but never bit.

Older buildings used galvanized iron piping. Newer structures used PVC plastic. Copper was a "no go", it wouldn't stand up. It seems nothing was proof against the sulpher in the long term. The only real protection against it is to invest several thousand $$ in a water treatment facility. That needs to be rebuilt on a regular basis. I have seen solid plastic kitchen faucets and shower heads that seemed to stand up better. But even they didn't last long. A few years at best.

Best suggestion I can make is to learn to live with it. And put a few shower heads on the shelf so they're handy when you need 'em. Anything that has a "spray" function. Garden hoses, kitchen faucets, shower heads, the like. The family I associated with in that area had been there for generations. Many generations.

Sea Story Alert. My friend's grandfather grew up on an island near the current "Cross Florida Barge Canal". The Oklawaha river. His mother was a busy woman in those days. She would put him in a pit, along with a chicken for company. If the chicken got to squaking and raising hell making a fuss, she knew an alligator was near. Far better than a dog for that application. When I knew the man (in early 70s), he was in his 80s. And still the best guide in Putnam County.

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