Well, there's a number of things that went on. My petsitter washed my filter media with tap water multiple times to get rid of the "algae" in it, and overfed. This caused an ammonia spike, killing my nerite snail (or it's because the petsitter placed it on its back to see if it would move, either one), which was left in the tank for a couple of days to a week- when I tested the water, ammonia was 2ppm, nitrite was 0.5/1 ppm and nitrates were at 80. I'm pretty sure my cycle is gone, mainly from the chlorine that got into the media. The only problem is that I'm going to sleepaway camp tomorrow and won't be back until Friday. I can't back out of it, nor can I request to come home to take care of my fish temporarily because it's in Pennsylvania. Only my mother will be here, and she agreed to take care of the fish. What should I do? I have Prime and Stability on hand, but my mother's probably going to be unable to do water changes because of her recent neck surgery. I did a 100% water change when I got home - not only because I had to move it from Brooklyn, but also because of the situation at hand - and all parameters are 0. Do you have any suggestions? @AllieSten you helped me with this tank's cycle, can you help with this?