I started a new 15g tank 7 days ago. On day 2 I added a couple minnows to start the water cycle. They did not survive overnight. Waited 7 days, with the new filter running, 20% water change every other day with no fish in the tank. I did add some fish food to see if that would help start the cycle. The water started to get a little cloudy a couple days into this. On the 7th day I tried to add another minnow but it also did not survive overnight. My water ph is 7.6, it is city well water and I did add conditioner to neutralize the chlorine and heavy metals. And the water remains a little cloudy. Any idea why my water has been so toxic? Should I consider adding chemicals at this point to stabilize the water or totally change out my water?
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