I was recently reading that data rot sets in a lot faster than is commonly thought with flash, like 1-2 years you can start seeing rot
Obviously depends on type and quality
Those magnets were on the weak side, it’s a fun visual for the muggles once in a while, so I found ones that just barely have the pull to hold themselves, less strain on the implants
If I was looking for a lost implant I might use something 2-4x bigger