mistakes

Lack of water changes. As a kid my parents did tell me to do water changes on my tank, but I never kept up with them. Even though I didn't test the water, I'm assuming my early fish deaths were from bad water quality, because when the weak fish were moved to new water to monitor them in, they...

I started a new 15 gallon aquarium right at the beginning of September. I have kept aquariums off and on since I was 12 years old and I have never tried to update myself on new stuff as it came along- I just always did it like I did when I was 12- mostly it worked out (with some casualties...