Air Quality MOnitor on the BUDGET, but still WORKS!

This 15 in 1 air quality sensor is a great addition to my house. Not a precise tool, but it does pick up all the various CO, organic and dust particle changes and provides much better understanding of the air quality around me.

Coupon:BG0d7c86
Price:$24.99
CN warehouse
https://www.banggood.com/Upgrade-MUSTOOL-15-in-1-Air-Quality-Monitor-Wifi-Tuya-App-15-in-1-Smart-Tester-With-stand-CO2-CO-TVOC-HCHO-PM2_5-PM1_0-PM10-AQI-Battery-Powered-Real-Time-Display-for-Home-Office-p-2025577.html?p=I0080319753361201803

HCHO article: https://www.epa.gov/indoor-air-quality-iaq/what-should-i-know-about-formaldehyde-and-indoor-air-quality
TVOC article: https://www.renesas.com/en/document/whp/overview-tvoc-and-indoor-air-quality#:~:text=Definition%20of%20TVOC,-There%20are%20different&text=The%20summation%20of%20all%20VOCs,compounds%20found%20in%20indoor%20air.

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Chapters:
0:00 Intro
1:10 Measurements
10:31 Listing
12:45 Unboxing
20:47 Scenes
22:14 Wase and candle test
25:09 SodaStream test
26:03 CO2 gas test
26:42 Welding test
28:41 Final thoughts