ndw
Aquarium Advice Activist
I used a bio enhancer to start my new tanks fishless cycle as it worked in my last tank fine. However it's been cycling for a week, I've not seen any ammonia on my tests only high nitrites and nitrates. Have I just missed the ammonia (not seen it as I didn't test water first 2 days) or do nitrite and nitrates appear without being started off by the ammonia part of the cycle?