sniperfreak
Aquarium Advice Regular
- Joined
- Aug 31, 2011
- Messages
- 96
Well, my cardinals have been in the aquarium for 3 days now, and I just performed a PWC. when I tested the water, my nitrites were at .5 ppm, and I've heard that cardinals are sensitive to nitrites, so what is the best way to bring them down?