Hey So I have been cycling my tank for about three weeks. First picture was 5 days ago, second photo is today. My question is do I have to wait for the nitrites to be light blue 0ppm? Or is it pretty much cycled. I was told after tank cycled to dose 1.0 amm and wait 24hrs and if it showed 0amm and 0 nitrites, then my tank is cycled. Please let me know what I should do or wait.thx