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  1. Beginner Freshwater Aquarium
    Hi all! I am 5 weeks into a fishless cycle that seems to be going nowhere, and now i'm questioning if my ammonia readings are actually ammonium (since the API liquid kits test for TAN). Hope someone may have some advice about a next step to take! Levels for the last 5 weeks: ph 6-6.2 ammonia 4...
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