Recent content by pedram20

hey guys i am very new to this hobby. i have 20 Gallon aquarium with 12" width, 24" long and 14" deep i have 4 zebra danio's the thank went through cycle , ammonia at 0 , nitrite at 1.6 mg/L and nitrate level of 20mg/l. pH level of 7-8 i want to know if i can add these fish to my tank 2 angel...