Rosebud
Aquarium Advice Regular
When do the nitrites spike in a fishless cycle? I have a 10 gallon that I set up on Jan. 22. The last 5 days my ammonia has dropped from 4 ppm to around 0.25 every day, but the nitrites are staying around 5. When can I expect a change in the nitrite levels?
Roxi
Roxi