Run your filter. Keep the filter running overnight. You should wait at least 24 hours before jumping in the pool (unless you use a chlorine-free pool shock, in which case you can wait only 15 minutes) ...

If you want to find out more about the various Umas in this game or the game modes that you can participate in, you can use the official Umamusume Game Trello board. All of the details you’re looking ...