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post #1 of 8 Old 12-03-2011, 03:40 PM Thread Starter
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Can you put one or two Dicus fish In a Community tank
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post #2 of 8 Old 12-03-2011, 03:44 PM
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What size tank?
What other fish would be included?
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post #3 of 8 Old 12-03-2011, 04:38 PM
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No, you shouldn't. You could either keep a breeding pair, in which case they would be by themselves, or a group.

"My dither fish need dither fish!"
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post #4 of 8 Old 12-05-2011, 01:08 PM
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Agree. Discus, like angelfish, are shoaling fish, meaning they naturally live in groups. They have a definite social structure within a group, sometimes including a pecking order. This is natural to the fish, and denying the fish what they are programmed by natural evolution to expect can often cause stress and poor health. A group of 5 or more in a minimum 4-foot tank, with suitable tankmates of course, is the best situation. Unless as Mina says, it is a breeding pair.

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 #5 of 8 Old 12-05-2011, 05:28 PM Thread Starter
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30 gal. and would like to some angels in it too. but i would like to put 2 discus fish in it but can buy only one at a time
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post #6 of 8 Old 12-05-2011, 05:39 PM
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30 gal. and would like to some angels in it too. but i would like to put 2 discus fish in it but can buy only one at a time
You will eventually have problems with either of those fish in a 30 gallon. Both have essentially the same requirements except discus being much more sensitive. You need a much larger tank for a group. If you have just two they must be a breeding pair. This in itself poses an issue as breeding pairs tend to breed and when they do they get highly territorial of ANY other fish near their eggs. Mixing either of those fish in that size tank is going to eventually end badly. My bets would be on the angels in the end.

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post #7 of 8 Old 12-06-2011, 07:26 PM Thread Starter
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30 Gallon replaced all the water

I took out all the water in my 30 gallon tank about a week ago, because was merky, and it would not cycle, put fresh water in it, now is it possible that the tank has cycled already? the ph is high, the ammonia is 0.50, the nitrites are 0, and the nitrates are 0
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post #8 of 8 Old 12-06-2011, 08:26 PM
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I took out all the water in my 30 gallon tank about a week ago, because was merky, and it would not cycle, put fresh water in it, now is it possible that the tank has cycled already? the ph is high, the ammonia is 0.50, the nitrites are 0, and the nitrates are 0
If the tank was already cycled, removing the water and replacing it will not affect the nitrifying bacteria. How long has this tank beeen running? And with fish, or some other means of cycling? The ammonia is a concern, if fish are present; in a high pH that is very toxic.

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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