Bacterial bloom - The Planted Tank Forum
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post #1 of 2 (permalink) Old 07-25-2014, 10:28 PM Thread Starter
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Bacterial bloom

I just recently lost all my fish due to a bacterial bloom, my tank has been established for a year now and has already been cycled. What happened was I did a large wc 50%, added safe and everything was normal that night. I left early for work in the morning so i didnt have time to check the tank, I came home that night and all my fish were dead, could the decomposing fish cause the bacterial bloom? Theres a bunch of planaria on the side of my tank and my water is a milky white color, I cant really vacuum the substrate since my tank is heavily planted What should I do? Let it ride? Its been like that for 2 days now? Help!
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post #2 of 2 (permalink) Old 07-26-2014, 12:20 AM
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Test the water. Ammonia? That would kill the fish. If one or two fish had a problem with the water change, and died, that might trigger something like this.

If the new water had something different than the fish were used to, that would stress them.

Higher or lower mineral levels than the tank (GH or KH more than a few degrees off), higher levels of chlorine or chloramine, if you only dosed Safe for a low level.

As for what to do now, a water change won't hurt anything, and would clear the tank water so the light can reach the plants better. Do vacuum the best you can among the plants in case there are some dead fish stuck in there.
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