Jim Rusling wrote, on Sat, 28 Jun 2014 14:14:27 -0500:

You just need to make sure the tank is full. A full tank will not
slosh very much if at all

This is the kind of advice, that, (a) isn't obvious, and (b), if you
don't know it, can win us a Darwin award.

So I greatly appreciate the tidbit, because I hadn't even thought
of the sloshing until it was mentioned.