Well my first attempt at magnet fishing was... expensive.

I had a $30 magnet and a $15 magnet. The big one got stuck after 4 tosses into the water, so I tied the end of the other magnet rope to the end and tried to pull from the other side of the water... the rope was too short by a few feet, so I tied a sling to the end of the second rope and kept walking around the water... then a second sling.

The second sling came loose, and I lost two ropes, two magnets, and two slings!  Like an idiot, I didn’t untie the second magnet. Very annoying.

I came back an hour later and used a makeshift grappling hook to recover everything except the one magnet that was originally stuck.  Had to just cut the rope, but at least I got the slings and second magnet back.  It was an adventure, but not quite the treasure hunt I was hoping for.

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   I can't be the only one here who doesn't know what magnet fishing is. 

It’s just like it sounds... throw a magnet in the water and see what comes out!

https://m.youtube.com/watch?v=Zx1tCPJVc3Y

Here’s the magnet I lost:
https://www.amazon.com/Fishing-Pulling-Neodymium-Carabiner-Retrieving/dp/B07RPTHPC1

Rat Man wrote on Dec 6^th, 2019 at 1:23am:

I can't be the only one here who doesn't know what magnet fishing is.

I was in that camp too.  At first it made me think of the magnetic fishing pond at amusement parks.

Neat idea though.  I might have to give that a try one of these days.

One thing to be careful of is pulling up guns or unexploded bombs. Most of the stories I've seen about magnet fishing have been when someone's pulled a grenade out a lake or found what is likely to be a murder weapon. Obviously it's rare but stay safe out there!

Did it for a while but lost the magnet.

    I'll bet I'd come up with a lot of lures doing that.  It might be worth a try.  Both my little lake and lakes in the Pine Barrens might yield much fishing gear. 

It does look like fun :-)

Even though it didn’t go well for me on the first try, I’d recommend it.

I might have to try it out sometime. Plenty of lakes and rivers in Finland :D Also a good chance of finding discarded weapons from the Winter War, Continuation War or even the Civil War. That would be interesting.