Ok, I tested for another 2 days and my levels are the same. Therefore, for 7 consecutive days, my readings have been:
PH: 8.4
Ammonia: 0
Nitrite: 0
Nitrate: 5
I also checked my tap water and it reads 0 Nitrates, so the 5ppm Nitrates in the tank must be indicative of a completed cycle right...