nitrite spike

The other day one of my fish died overnight in my established 10 gallon. I tested my waters with the api master kit and my nitrites were off the charts purple. My ammonia is zero and my nitrates are about 5 ppm. My kit is not expired and it reads zero nitrites on my tap water and my 29 gallon...

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...

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...