Just so you know, the product is called Bio-spira, not Bio-Sparta... although it could be compared to the historical Spartans, in a way.... Hm. I smell thesis paper! Just kidding. :P
Yeah, I've done stupider things than that. I once cleaned my hands with Germ-X, then got my fingers all over my heater and plopped it into the tank without rinsing it. Boy, did I ever feel stupid - and cruel.
Thinking about it still makes me sad.