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nitrite spike

  1. 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. 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. 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. 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. 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. 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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