Okay, So I have my firemouth juvie in my 55 along with 3 zebra danios and 3 rosy red minnows. I have successfully cycled my tank with stability in 8 days. 
I have a nitrates at 5ppm ,ammonia 0ppm, nitrites 0ppm
My question is when should I start wc's and how much of the water should I change. Thanks A Ton! ;]

I have a nitrates at 5ppm ,ammonia 0ppm, nitrites 0ppm
My question is when should I start wc's and how much of the water should I change. Thanks A Ton! ;]