nitrite water change cycling

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  1. Sparklehoofs

    At my wits end with this cycle? Desperately need advice please.

    Hi, I am cycling my sump for my Betta rack system. I am using the API Freshwater Kit. I shake the living daylights out of all the bottles before use to avoid the crystallisation. I have cycled 5 tanks previous to this with the fish food method and had no issues whatsoever. This time I decided...
  2. G

    Nitrite Spike Won’t Go Down

    Hello, i’ll start with the details of my tank. I have a 20g tall planted tank. Fluval substrate+ top layer sand substrate, with a piece of wood, and a few rocks. My heater keeps the tank between 78-80. I’ve had it running for nearly two months, and started it with a mesh bag of cycled...
  3. FlyingFish78

    Surprise High Nitrite Reading - Water Change Needed?

    I'm presently doing a fish-in cycle with hardy fish (yes I know that's now the way you're supposed to do it) and for weeks I've been religiously taking water quality readings every two days. A few days ago the ammonia finally reached zero. I took a reading tonight and again ammonia was zero but...
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