New tank - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 25 Old 03-21-2012, 04:21 PM Thread Starter
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New tank

IVE JUST BOUGHT A JEWEL VISION 180L , AND PLANTED IT WITH ABOUT 8 PLANTS WITH THE FERTILASER BALLS IN THEIR ROOTS , I ALSO PUT FRIENDLY BACTERIA IN THERE TOO ... IT WAS DONE 4 DAYS AGO ... SO HOW LONG SHOULD I WAIT BEFORE I POP SOME DANIOS IN THERE AND HOW MANY SHOULD I START WITH ( AS I WANT TO PUT THE ONES FROM MY COLD TANK IN THERE ) WATER IN NEW TANL IS 23 DEG C
THANKS DRAGON
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post #2 of 25 Old 03-21-2012, 10:33 PM
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Cool you should probably wait until your cycle is complete until you add any fish. And i wouldnt add fish directly from cold to warm waters. I'll let someone else ask why the water is cold. Your cycle will be done in around 1-4 weeks.

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post #3 of 25 Old 03-21-2012, 10:37 PM Thread Starter
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cool you should probably wait until your cycle is complete until you add any fish. And i wouldnt add fish directly from cold to warm waters. I'll let someone else ask why the water is cold. Your cycle will be done in around 1-4 weeks.

thanks , the others are in a cold water danio tank .. I was gonna pop them in the new tropical one , but if ya think they wouldnt like it i wont
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post #4 of 25 Old 03-22-2012, 05:38 AM
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You could add your Danios to the new tank but you would have to slowly bring the temp up for them by a degree or two at a time. Otherwise, you'd probably shock them.

How many danios would you be adding to the new tank? When you do start adding them, only add a few at a time and let your beneficial bacteria catch up to the new load before adding the next few. You should test the water constantly while your adding fish so you can make sure you don't have an ammonia spike.

Animal testing is a terrible idea; they get all nervous and give the wrong answers.
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post #5 of 25 Old 03-22-2012, 03:02 PM Thread Starter
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Ive got about 10 danios , so i should add just maybe 4 at a time ?
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post #6 of 25 Old 03-23-2012, 11:40 AM
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First, on the temperature. Going from cool to slightly warmer is much less of a problem than the reverse. But, too great a temp variation can shock as someone mentioned. Just how different are the two temperatures?

On the cycling/adding the danio, aside from the temp issue, you could add them at once, for 3 reasons. First, a 180 liter/50g tank has more volume so ammonia will dissipate into the water more. Second, you mention live plants. If these are reasonably fast growing, or include some floating plants, they will easily assimilate the ammonia produced by a few danio. With the live plants you should not be able to detect any ammonia or nitrite; test to be sure, but they should remain zero. And third, crashing around in the tank with a net is stressful to any fish, so grabbing them all at once is always better than several attempts when this is not going to cause issues.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #7 of 25 Old 03-23-2012, 12:43 PM
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I like to err on the side of caution because I learned my lesson the hard way. I added a school of fish to my very understocked 75 gallon once and had an ammonia spike 3 or 4 days later that killed one of my favorite rainbow fish. It never dawned on me that it could happen because of the overfiltered, understocked factor of the tank to start with.

I think the live plants go a long way to help in preventing a spike like this and at the time my tank was still half silk, half planted but no substantial plant life to speak of.

Animal testing is a terrible idea; they get all nervous and give the wrong answers.
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post #8 of 25 Old 03-23-2012, 12:53 PM
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That is wise Romad, there are many factors at work in an aquarium. I think we are on safe ground this time, provided the plants are fast growing.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #9 of 25 Old 03-25-2012, 03:34 PM Thread Starter
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That is wise Romad, there are many factors at work in an aquarium. I think we are on safe ground this time, provided the plants are fast growing.

OH COOL , i intend on setting myy old tanl up ( after i move it from my old house ) next to the tropical tank and then thought id stick my old heater in there and slowly ove a coule of weeeks bring the temperture up to 25 deg to match the tropical tank , then put them in together that will make it nearly 4 weeks of non fish cycle ...

what ya think ??
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post #10 of 25 Old 03-25-2012, 03:46 PM
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OH COOL , i intend on setting myy old tanl up ( after i move it from my old house ) next to the tropical tank and then thought id stick my old heater in there and slowly ove a coule of weeeks bring the temperture up to 25 deg to match the tropical tank , then put them in together that will make it nearly 4 weeks of non fish cycle ...

what ya think ??
There is no reason to delay once the tank is planted, so I wld raise the temp in the small tank bit by bit via water changes until it matches or is slightly below the larger tank.

Still don't know, what exactly is the temp difference? If the large tank is or will be 25C/77F, the other can't be that far off in a normally heated room.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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