Pepere Posted September 5, 2022 Share Posted September 5, 2022 I lost 2 corydoras within minutes of doing a water change using Aqueon Water conditioner when I ran out if Fritz Complete, the other three Cories were also affected but pulled through being transferred to another tank. Most people have cast doubt that the water conditioner had anything to do with it, but that is the only material change over several twice daily water changes to the same depth over the prior week. I have set up 3, 10 gallon quarantine tanks this week, and one of them I used Aqueon water conditioner on water fill with recommended dosage. That tank, and that tank only has been covered with foam from airstones ever since setting it up. No soap was ever used on any of tank interiors and all were well rinsed before setting up. Today I drained that tank and refilled using Fritz complete at recommended dosage. There are no more bubbles on top of tank than the other two tanks now. The difference is striking. As I was draining the tank, foam was coming up and pouring out of the water lift tubes from the undergravel filter all the way until water level dropped below the airstones. My tap water still has 1 ppm total ammonia in it as the city has not flushed the lines yet. I have been holding off on water changes and keeping it to 25% at most at a time. 2 Link to comment Share on other sites More sharing options...
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