Which Geiger counter should I get?
I use a GQ GMC-500Plus, and I really like it
https://a.co/d/3zrogro
It's almost 3x the cost of the 300Plus, but I personally feel like it works a lot better and the cost is worth it.
An industrial-level Geiger counter that detects alpha radiation starts at $800, so the
50 one is really a better option for the hobbyist.
Geiger counter reading on newly-manufactured uranium glass crystal balls