I just got an API kit (i've been using Nutrafin) and I did EXACTLY the same thing so don't feel too bad!
__________________ 29G - Cories, Black Skirts, Yoyo Loaches, SAE, Betta
10G - Betta, Ottos
3G - Betta Retirement Home
10G - Crayfish tank in the works... no bettas allowed |