hi, miss daisy has started pooing right next to her litter box, i scoop it out morning and night if she manages to go in there and the litter is changed every couple of days, she has started doing this over the past couple of weeks and only when we are not home, she has also pooed in the bath tub a few times!!! so gross!! i have been cleaning it up then scrubbing the area with bleach, what can i do?