Alright guys, I think I finally have this cycling thing down, but I need to ask one more question. So last night around 5 oclock I realized that ammonia was at zero and nitrite was at zero, I added more ammonia and when I woke up this morning I realized that my ammonia test strips are all used up, but I'm pretty sure I'm at the end of my cycle, I tested for nitrite and it was at zero at 8:30 this morning, can I assume that if my nitrite is at zero that my ammonia is also at zero after 12+ hrs.. I will be buying another ammonia test kit, but it's Sunday and there are no stores open around me. I've been cycling for 3+ weeks now.. any advice is greatly appreciated. Thank you guys. 