I 've setup my ATS for my 50L tank for 5 weeks. I clean it every week. The screen is full of half green and half brown algae.
The No3 does not drop. It is around 100 ppm. My screen is 3"x12" (single side horizontally) . There are 8 fishes , 1 anemone and 1 shrimp in my tank. Can anyone help me?