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Thread: pacu tank issues

  1. #17
    Stay chooned in for more! Clint's Avatar
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    The store.

  2. #18
    StifflerMichael's Avatar
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    Well, you put the cocktail shrimp in the tank when you first set it up...and before you add the fish. You add about 1 cocktail shrimp per 50 gallons. In this method of fishless cycling, the shrimp will slowly decay, releasing a pretty decent amount of ammonia in the tank at a constant rate. Then you just keep monitoring the nitrogen cycle: you should see ammonia levels spike, then nitrite levels rise and ammonia levels fall to 0ppm, then nitrite levels fall to 0 ppm and nitrate levels rise. After your nitrate levels reach around 20ppm or so, you can change all the water and add a reasonable number of fish.

  3. #19
    Stay chooned in for more! Clint's Avatar
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    I've always wondered something when it comes to fishless cycling...

    If you have a new tank, new equipment, etc. where does the bacteria come from?

  4. #20
    StifflerMichael's Avatar
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    From the air. When you see a dead animal, it's the same bacteria that do the job of decomposition. This method is almost always goes slower, as you are basically inoculating the culture with a small amount of bacteria from the air. It usually goes faster when you throw in some filter media from an established aquarium, here you are inoculating with a much larger amount of bacteria.

    That's my understanding at least.

  5. #21
    Stay chooned in for more! Clint's Avatar
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    Wow I had no idea! I thought they were special fish bacteria.

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