No luck returning the fish, and they all died. My son wasn't upset with any of them dying except his algae eater, or "algae liter" as he calls it. I had them in the tank for 2 weeks, and for the last week with the 3 that were left, I was doing water changes daily. I'm am going to start cycling the tank this weekend. How long does it take to do a fishy cycle, I am NOT going to do one, just curious though. Since I had the fish 2 weeks, would it be possible to just add ammonia to the water already in the tank, would that speed up the process any? I have a 5 gallon tank. I am also going to get fish from my dad when it is cycled. He has a pair of guppies that have had about 8 babies in the last 5 months, so he is going to give them to my son for our tank.