31 days, no nitrites or nitrates the whole month. Ammonia dosed once to 4-5, dropped once to 1-2, redosed and never dropped again. Down to 1 today after water change.
40 Gal freshwater tank.
Prime.
API Master test kit.
Temp 88.
3 water changes
No shrimp or fish food
PH fluctuating between 6-9...