I always keep it in view, no chance of forgetting, because I know if I wander away I will forget. I usually just sit and watch the fish (and make fun of the big bad ____ for being scared of the hose). Last week though, one of the dogs tripped over the tubing while it was filling and knocked into onto the floor. I was right there but there was still quite a bit of water on the floor by the time I got it back in the tank.