Axona Posted October 13, 2020 Share Posted October 13, 2020 Hi, I'm pretty new to the hobby and am enjoying this forum! I have the API master test kit and recently noticed a trace ammonia reading in one of my tanks. This was new, so I tested my tap water. The tap water reads 1 ppm ammonia! After 48 hours or so in the fish tank (it is fully cycled), the water will be down to trace to no ammonia. Any chance this 1 ppm reading is an artifact? Should I be concerned? I don't want to stress the fish every time I do a water change, but tap water is sort of my only option for water changes. I know our city water has chlorine and chloramines in it. Any help appreciated. Link to comment Share on other sites More sharing options...
Ben Ellison Posted October 13, 2020 Share Posted October 13, 2020 So is this before our after dechlorinating? One of the by products of breaking down chloramine is ammonia I'm pretty certain. You might want to try aging the water over night. Link to comment Share on other sites More sharing options...
Axona Posted October 13, 2020 Author Share Posted October 13, 2020 I tested both before and after dechlorinating, although I only waited about 5 minutes after using Seachem Prime on the "after" sample. The results were the same. 1 ppm ammonia and 0 nitrates showing up. Link to comment Share on other sites More sharing options...
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