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When we had the Canada fires months ago I bought a air quality sensor that measures among other things CO2. Right now shows 548 PPM which means good. I once li
by javier_e06 2y ago
When we had the Canada fires months ago I bought a air quality sensor that measures among other things CO2. Right now shows 548 PPM which means good.
I once lit up one of those scented candles and the sensor fire up to over 1200 PPM.
It had a wooden wick. I think that was one of the reasons.