MorJayy Posted April 9, 2022 Share Posted April 9, 2022 So my tank crashed for some unknown reason a little over a week ago. I tested before a water change and the nitrites were over 10ppm. I've added Sachem Prime and API quick start periodically to help, and I've also been doing 50%+ water changes every other day. The nitrites keep going up slowly, The water right now sits at: Nitrate: 10ppm Nitrite ~.10 ppm GH 200ppm KH 40 pH 7.0 Ammonia: 0 (the ammonia never spiked that I saw, just nitrites) My fish (Mollies) are starting to suffer from the bad water quality and I've been loosing a few fry. They have major fin rot and are getting sores on their bodies. Is it worth it to risk adding Maracyn to treat it? I know it can kill your beneficial bacteria and I'm working so hard to build it up again, but if its just going to kill it all again once its established, why wait? Or is it better to just keep doing as I have been and hope the parameters will settle and the fish will get better on their own? (I have plants and shrimp, so i don't want to add salt) Link to comment Share on other sites More sharing options...
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