HMm just curious is a normal behavior for perucla clown fish stay by the power flow so much? Like the attachment to the side. They always stay by there. They don't really swim around. They only swim is time to eat. After i did a water change today. One started to swim behind the rocks now. Any thoughts on it?
Water Paramter:
Ammonia: 0
Nitrites: 0
Nitrate: 20ish now. It was 40 after watch change today it drop to 20,
Sal level is at 1.026 tested by the LFS with a refrac.