Could you provide a source for how this works? I'm surprised this would work and...

ceejayoz · on Aug 17, 2022

Chlorine in water evaporates into gas over time; you can leave a bucket out for 24h or so and make it safe for aquarium use.

Blender aerates it rapidly; you can do the same with a bubbler. https://www.researchgate.net/publication/330203637_De-chlori...

HeyLaughingBoy · on Aug 17, 2022

My guess is that the blender lowers the fluid pressure by cavitation and the dissolved chlorine gas escapes as bubbles.