It is day 7th into the cycle. I’m doing a fishless cycling, seed with a small piece of lived rock from another tank. I just throw in some pellet food daily. This tank is 65G. Today I just test water it show 0 Amonia, 0 nitrite, 0 nitrate. It is new Salifert testkit expired 2020, and redsea NO3. Did I do anything wrong? It should not all 0 reading