I don't know if I need to quarantine them, or what. I am a little angry ( by little I mean

) SOMEHOW my nice shatter proof heater SHATTERED without me ever dropping it, or dropping something on it. (Considering my scale for weighing small animals also "broke" magically, and a heater disappeared... I am starting to doubt the coincidence...)
I almost let my baby fry go in there... So I had to move him completely to a bucket of new aquarium water >:( AND he no longer has a reliable heater. ARGH! AND my live plants were in the poison water, living well....
Do I need to quarantine or what? D: