Comment by amluto

I tried one of these once. It was annoying, seemed kind of dangerous, and wasn't especially effective. This is much better:

https://us-shop.biogents.com/products/bg-mosquitaire-co2

Admittedly, it is more annoying to refill.

That being said, depending on your mosquito species, the Biogents chemical attractant may be even more effective than CO2.