Sora Posted February 7 Share Posted February 7 I used to have high nitrate in my tap water, but I figured out that problem it turns out that the water filter had just been overdue for a change. now the nitrate in my tap water is 0ppm. after that was resolved, my nitrate did not go down. so I started doing daily water changes, 25% to 50% water changes. when I dont do a daily water change the nitrates spike from 40 to 80 ppm. the ammonia and nitrites stay the same. here are my theories. my tank is overstocked/filter media I really dont think my tank is overstocked, just adding it in here. I have 3 female platys and one nerite in a 20 gallon. I have a old hang on back with very old cycled filter cartridges. I never change them, I just rinse them in water change water. I also have many bags of seachem denitrate in my filter. kuhli loaches? a while ago a got 6 kuhli loaches from aqua huna. one of them died the next day probably from travel stress. another one died a week later of injuries he already had. then my tank got some sort of fungal infection probably from me not quarantining my kuhlis. so I dosed some medicine but did not do half strength so I found another two of my kuhlis dead. then a few days ago i found a very old looking rotting kuhli corpse and after I removed it I did water changes. I thought that might have been the problem but I still have high nitrates. now I should have one more kuhli loach but I cannot find him dead or alive. I found him a week ago but that was the last time I saw him. I tried to look really carefully for him but would it be possible hes dead somewhere? fertilizers I asked a different forum and they suggested to stop adding fertilizers but I really dont think that is the problem. I added easy green and easy iron twice a week but that was two weeks ago and before many water changes. I have removed all the wool my plants came from. some of them have easy root tabs. im sorry for writing an essay but im just really confused and I have asked another forum that could not help me. I just really need some help thanks! Link to comment Share on other sites More sharing options...
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