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planted tank trouble

  1. CO2 Poisoning???

    Beginner Planted Aquarium
    I woke up this morning, and ALL of my fish were gasping for air at the top of the tank. My tank had just recovered from ICH yesterday and so I replanted some plants and hooked up my DIY C02 system again. I usually do not keep an air bubbler being that the plants do the job. But when I woke...
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