Most folks cycle with chemicals now. The way it's been done for 50 years is now bad. Nitrite is harmless. Use dry rocks and pour in bacteria. That's trendy now. I'll never by it.Why do we feel there are bacteria issues in our aquarium? Could it be that the bacteria-in-the-bottle vendors have scared us into thinking we need to buy their product? And why are we using the word diversity so much in this hobby to explain our issues?
I have to wonder if bacteria in a bottle (not the cycling bacteria product) is snake oil.