Specs:
46g bowfront freshwater community tank
Marineland penguin 50-70g biowheel
sand substrate
Not planted (yet)
LED single brights on for 12 hours a day
Fish in cycle: 6 zebra danio, 3 guppies, 3 oto, 3 bandit cory, black orchid betta
Readings out of tap: .25, 0, 0, PH 8.2
API freshwater...