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1answer
51 views

Brass tub overflow pipe stuck in brass tee. How can I remove it?

I am repairing a tub overflow. The screws for the cover plate were very corroded and broke off. I am trying to remove the overflow fitting and pipe but it is stuck. The pipe is brass and slides into a ...
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1answer
47 views

What could cause corrosion in a water heater?

My water heater was replaced about 5 years ago. Recently I discovered some corrosion on some of the pipes and valves connected to the heater. Pictures are attached. I have yet to inspect the anode ...
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1answer
77 views

What could cause a 5 year old valves to corrode so quickly

Unlike this question, the hot water heater is not a factor as it is happening to joints all over the house. Further all joints are either copper on copper or brass on copper. I've taken over ...
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2answers
327 views

Does it matter what kind of pipe is used for a sink drain?

The drainpipe in our sink broke (corroded right through in several places). Not having the time to find my pipe wrench (much less actually replace the pipe) we called a plumber. The plumber replaced ...
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1answer
230 views

Corrosion on copper pipe: Is this a concern?

I came across some corrosion on a copper hot water line in our house: Is this a potential early warning sign of impending pipe failure? I did some research online and came across multiple ...
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1answer
747 views

What could cause my water to taste metallic after a water filter cartridge was changed?

About 20 years ago, we remodeled our home and had two water filters installed (downstairs and upstairs). They are stainless steel enclosures with carbon block filter cartridges inside. The brand is ...
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1answer
56 views

Can hydrochloric acid vapors corrode nearby metal items?

I have a room where I exposed a brick wall and redid the mortar by tuckpointing. It look beautiful but the whitish residue from the mortar needs to be cleaned and the best way to do it is using ...
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2answers
2k views

How should I protect the metal of a power rack that's kept outdoors?

I plan on building a power rack for my home gym and was wondering what kind of metal/coating I should use when building it since it will be stored outdoors. Most commercial power racks are built using ...
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1answer
345 views

Could this corrosion be caused by faulty ground wiring?

What might cause slight corrosion atop a tankless water heater's copper topped element assembly? I checked all the grounding and reconnected the two element assembly grounding wires and ensured ...
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4answers
5k views

Should gloves be worn when working with concrete to prevent it from coming in contact with skin?

I was told recently that concrete is slightly corrosive. Should gloves be worn when using concrete or is it fine to handle concrete as long as its not done on a regular basis?
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1answer
273 views

Under what circumstances can aluminum be in contact with steel?

I understand galvanic corrosion and the chemistry which causes the reaction. But under what circumstances can they be in contact? On first impression I would think they could in a dry environment... ...
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4answers
13k views

What could be causing my water heater inlet pipe to corrode?

There is corrosion forming on the inlet and TP valve connections to my water heater; the outlet seems to be fine. More specifically, the nipples are what is corroding. I have read the copper pipe ...