Copper pipe repair

Anyone ever use one of the several epoxy repair puttys out there to repair pinhole leaks in copper pipe? I have an older, discontinued Delta kitchen faucet, that has 5/16 copper water supply stubs that are compression fitted to the PEX water lines under the sink. Found a couple pinhole leaks in the cold water side up close to where it attaches at the countertop. Of course the proper repair would involve taking out the faucet and all of the connections, then cut out the leaking section and resolder a repair piece in. But I can reach the area of the pipe where the leaks (2) are fairly easily and clean/prep for an epoxy type repair without having to pull everything apart. If anyone has used epoxy to repair pipe, what ones were good/bad/easy to work with/made a"permanent" repair etc.?
 
An update. Did use JB Weld Water Weld epoxy putty. I know, I know, I'll wait for all the "told ya so's" 😁. But since i was intrigued about the repair putty, for $7 thought I would give it a try. Let it cure for the full 24 hours it recommends and so far it is tight. The faucet is 20 years old and I believe the issue may have come from initial installation where they had to bend the cold water feed a bit more to facilitate the hookup. There isn't a crease or anything to indicate damage other than the tiny pinhole drip (about 1 every 3-4 minutes) is near that point.

I know this may sound crappy, but we plan to sell in the next 18 months, and want to make do. We will split the cost of a home warranty with the new owner, and I will disclose the repair, as well as any other known issues/repairs. Just the way I roll and want a new owner to know about things, even though with a 20 year old home, there WILL be things to fix, repair, or replace.

But, I do have a new Moen 4-hole faucet set in my cart if the leak returns. May just get it and have it on stand-by as these sets have seemed to be less popular. I can do the replacement myself and it isn't that bad once I remove the garbage disposal and drain line along with all the stuff underneath.
 
An update. Did use JB Weld Water Weld epoxy putty. I know, I know, I'll wait for all the "told ya so's" 😁. But since i was intrigued about the repair putty, for $7 thought I would give it a try. Let it cure for the full 24 hours it recommends and so far it is tight. The faucet is 20 years old and I believe the issue may have come from initial installation where they had to bend the cold water feed a bit more to facilitate the hookup. There isn't a crease or anything to indicate damage other than the tiny pinhole drip (about 1 every 3-4 minutes) is near that point.

I know this may sound crappy, but we plan to sell in the next 18 months, and want to make do. We will split the cost of a home warranty with the new owner, and I will disclose the repair, as well as any other known issues/repairs. Just the way I roll and want a new owner to know about things, even though with a 20 year old home, there WILL be things to fix, repair, or replace.

But, I do have a new Moen 4-hole faucet set in my cart if the leak returns. May just get it and have it on stand-by as these sets have seemed to be less popular. I can do the replacement myself and it isn't that bad once I remove the garbage disposal and drain line along with all the stuff underneath.
I've yet to meet a JB Weld product I didn't like. 👍👍
 
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I've yet to meet a JB Weld product I didn't like. 👍👍
Same. And this one cured as hard as an iron pipe. Unlike the regular JB Weld gray stuff, this was kinda tricky to work with as once it was mixed well, it was super sticky. I'm sure this is why it works/cures underwater, but makes it rather fun to apply. Ya gotta wear gloves. Once it starts to set after about 5 minutes, it's much easier to mold into shape. I covered about 90% of the feed pipe to ensure no other pinholes would spring up. Again, not expecting this to be permanent, was more interested if it would/could work and avoid the PITA of replacement, at least for a little while. I will be monitoring it pretty closely and rip it all out at the first sign of moisture. If it does last until we sell, and I bought the new faucet, it will be a "house-warming" gift to the new owners 😁.
 
An update. Did use JB Weld Water Weld epoxy putty. I know, I know, I'll wait for all the "told ya so's" 😁. But since i was intrigued about the repair putty, for $7 thought I would give it a try. Let it cure for the full 24 hours it recommends and so far it is tight. The faucet is 20 years old and I believe the issue may have come from initial installation where they had to bend the cold water feed a bit more to facilitate the hookup. There isn't a crease or anything to indicate damage other than the tiny pinhole drip (about 1 every 3-4 minutes) is near that point.

I know this may sound crappy, but we plan to sell in the next 18 months, and want to make do. We will split the cost of a home warranty with the new owner, and I will disclose the repair, as well as any other known issues/repairs. Just the way I roll and want a new owner to know about things, even though with a 20 year old home, there WILL be things to fix, repair, or replace.
If I were purchasing a house and saw a repair like that, I would wonder about what other questionable things they did to the house.
 
If I were purchasing a house and saw a repair like that, I would wonder about what other questionable things they did to the house.
No need to wonder, that's what a home inspection is for. I would have no issue correcting any, as you say, "questionable things", a potential buyer would have concern for. Nor would have any problem as I said disclosing any repairs or other issues with the house, of which I have a list. Pretty inclusive, has dates, materials and who did the work. Oh, and if that doesn't quell your fears, I am paying (half) for a home warranty. Guess you still won't be buying my house though 😁.
 
No need to wonder, that's what a home inspection is for. I would have no issue correcting any, as you say, "questionable things", a potential buyer would have concern for. Nor would have any problem as I said disclosing any repairs or other issues with the house, of which I have a list. Pretty inclusive, has dates, materials and who did the work. Oh, and if that doesn't quell your fears, I am paying (half) for a home warranty. Guess you still won't be buying my house though 😁.
Let's not forget...home inspectors are the mall cops of the real estate industry. I've yet to come across one that wasn't a failed contractor or drunk. They're useless idiots to smart buyers.
 
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