New Chinchilla with diarrhea, could be my husband’s fault?

Hi everyone. I just got my chinchilla, Mazikeen 5 days ago. The first two days she had normal dry hard pellet poops and didn’t seem to have any issues whatsoever. On the second day my husband went and got her all kinds of stuff to spoil her and show he wasn’t mad at me for getting her lol. He bought a bunch of treats and proceeded to give her 4 Timothy fruit biscuits before I realized what he had done. By the time I figured it out, only half of one was left which I immediately removed. She...

New Chinchilla with diarrhea, could be my husband’s fault?