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nitrite spike

  1. At my wits end with Nitrites

    Beginner Freshwater Aquarium
    Hi all... I am a new fish tank owner I have a 20 gal tank with 4 zebra danios in it with plants and a piece of drift wood. I have had this tank cycling for about 6 (ish) weeks now. I was taking water to Petsmart almost 3-4 times a week to get it tested until I could afford the API master...
  2. Struggling with Nitrites

    Beginner Freshwater Aquarium
    Looking for a bit of advice please. Have a new 360L tank (had 30L previously) thought I had cycled it, as ran it for about ten days, with fluval starter. Had water tested at LFS and showed fine. So moved my old fish (1 pleco, 2 rummy nose, 1 danio, 2 serpae tetra, 1 glass cat fish, 1 cory) into...
  3. Added fish - nitrite spike/question

    Beginner Freshwater Aquarium
    So I have a 5 gal tank that went through a fishless cycle last month, and after a week of testing consistently no nitrites or ammonia and little nitrates, where I thought it should be, I added fish, 6 ember tetras, two rcs and a nerite snail. I added them sunday, and noticed this morning the...
  4. Tank Cycling (unexpectedly) expert opinion needed

    Tropical Fish Diseases
    I've been keeping fish for 6 years now, so i like to think i'm somewhere around "intermediate" when it comes to issues with tanks. This is my first post to one of these forums, so please bear with me, as i need to be as descriptive as possible here... I was required to move, and also out-grew...
  5. Nitrite Levels

    Beginner Freshwater Aquarium
    I'm struggling to lower the nitrite levels in my fresh water aquarium (20 gallons). I've done several water changes (about %40) ever other day and the nitrite levels do not go down. I use Tetra Easy Strips to test the water (Nitrates, Nitrites, Hardiness, Chlorine, Alkalinity and pH). I've have...
  6. my first cycle, almost through? water change question

    Beginner Freshwater Aquarium
    First off, so happy to have found this forum. I had a tank during middle school while I had chronic migraines and it was a huge part of my life then. Being in middle school, I started up the tank pretty haphazardly, basically only researching the species I put in it and not anything relating to...
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