Nitrites and Nitrates are still undetectable. I think there's little doubt at this point that the PH neutralizer the aquarium guy sold me included some resident chemical that kills ammonia. Even though I *specifically* asked him not to give me anything that would affect the ammonia, nitrites, or nitrates. Clearly he didn't understand what I'm trying to do here and I won't trust him again for anything except fish.
So meanwhile I did a 1/3 water change and dosed with some seaweed…
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