StillSmart

I do not understand how I can answer this in a meaningful way.
Maybe it is me.
Maybe the OP has been drinking heads?
Hope he has a good xmas

Robert.

Nope.

For 25l -15 takes 2 days.

For sure cool will help it settle the sludge.
If you can carry it back without too much sloshing, then leave it outside.
It will benefit.

Robert.