Upstate TBarbs
Aquarium Advice Activist
Of those, a tiger barb would be best the choice if you want to finish the cycle with fish.
Do you know what your ph is?
I'll probably just wait and continue fishless.
PH out of the tap is 8.4. My water sucks. But with API Proper PH I was able to get it down. Yesterday when I checked it was 7.4.