African cichlids tank
Tank size: 120g
water parameters:
ammonia 0ppm
nitrite 0ppm
nitrate 20ppm
PH 7.8
test kit: API freshwater master
the system is been up for 6 months now
the tank currently has:
RedFin Kandango x2 (1 male 1 female) 4''
Red Empress x2 male 5''
Venustus Cichlid x3 (1 male...