Leaving it to stand works for chlorine, but not for chloramine, which a lot of tap water is treated with now instead. One would have to check with one's supplier.
I have taken to using DBeaver. The overall experience is really nice.
I don't like that you have to toggle your "Active database" rather than just opening a new window with a new connection to a different database. If that annoys me much more then I plan to try SquirrelSQL and then retry Postage.
I never understood the hate that pgAdmin3 received, I liked it a lot. V4 though is a mess.
Jürgen Tautz's "The Buzz about Bees" mentions this.
It says the bees build cylindrical cells around themselves initially, but then raise the temperature of the wax to 37-40 degrees C, when the wax is warm enough to flow into the hexagonal shapes.