I'm enjoying doing it without any mature filter media.
Yes, I'm one of those! ...not just blindly every time but when you are testing and finding .50 or 1.0 for these its warranted!some would advise to do a 50 - 70% water change every time
Went a day without a change!!!
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While you can get away with running the levels of Ammonia and Nitrite higher than we recommend on here (pH being correct to balance Ammonia to Ammonium in the fishes favor of course), but it won't do them any good 
If so, great news, looks like it was a reasonably fast cycle assuming they are still zero today 

