Hey guys my silver aro is opening and closing his mouth like at most 5 millimeters like once every second is this normal or should I be worried
ammonia 0
nitrite 0
nitrate <20
100 gal
wet dry 30g sump
8x turn over rate
ammonia 0
nitrite 0
nitrate <20
100 gal
wet dry 30g sump
8x turn over rate