Thanks for the link lexylex! Very helpful. And no, I did not use soap when I washed everything. Should I remove all of the water and rinse everything to clean it before trying to cycle then get a new fish since a fish died in there?
If you want to. I mean, if the fish died of a virus then that will certainly help. Can you test your water?
I can take a sample to petco and they will test it for free. Do you think the tetra safestart is even worth it or should I cycle a different way? The reviews all said it worked, but now I'm skeptical. Either way, I will always do weekly water changes now.