Here's another cool experiment. I put a WWII compass in a 10 gal aquarium with a radon detector. 5 hours in and it's at 28.64 pCi/L. I'll give an update after 24
Corentium Home
Airthings Corentium Home QRI Black Gray Digital Portable Radon Detector Used
Corentium Airthings 223 Corentium Home Radon Detector 1 Pack Corentium Airthings 223 Corentium Home Radon Detector 1 Pack Computer Monitors Electronics, handheld radiation detection devices transparent background PNG clipart
You are what you breathe: Stay safe at home with this radon detector
Airthings Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L
BCLS offer radon detectors and infrared thermometers for home safety
Airthings Corentium Home Radon Detector Review
Multiple Purposes Case for Corentium Home Radon Detector by Airthings, for Desktop and Wall-Mounted
Simple, always on radon detector with short and long-term radon levels displayed on integrated LCD display. Corentium Home uses the same radon sensing
Airthings Corentium Home Digital Radon Detector 223 Portable, LCD Display, Lightweight, Easy-to-Use, USA Version