1 or 2 oscars - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 18 Old 11-02-2009, 12:54 AM
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Try to go at least a 75 gallon for an Oscar. The 18" width gives the fish better turning room. Oscars can get to 14" and 55's are only 12" wide. And you can't have too much filtration for Oscars. The more the better. They are messy fish! lol

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post #12 of 18 Old 11-02-2009, 12:59 AM
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Try to go at least a 75 gallon for an Oscar. The 18" width gives the fish better turning room. Oscars can get to 14" and 55's are only 12" wide. And you can't have too much filtration for Oscars. The more the better. They are messy fish! lol
I was going to say that. It not only comes down to filtration its also space that matters aswell.

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post #13 of 18 Old 11-02-2009, 09:37 AM Thread Starter
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ok ya that make sense thanks
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post #14 of 18 Old 11-02-2009, 01:59 PM
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if you do a google search on care for oscars most people out there recommend turning over the water 10 times a hr for quality water.
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post #15 of 18 Old 11-06-2009, 12:47 AM
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i have 2 oscars and 5 silver dollars in a 90 gallon. i have an eheim 2217, and a eheim 2215 as well as a rena xp4 set up as a giant water polisher...seems fine...everytime someone gets a fish someone always seems to say that the tank is to small....lol we all cant install 500 gallon tanks in the house...
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post #16 of 18 Old 11-06-2009, 01:25 AM
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The problem with keeping two Oscars aside from the heavy bioload, is that these fish while small, may get along well. It is when the fish become more mature that one or the other will assert itself as the dominant fish and if tank size is not large enough for both to claim an area ,then frequent squabbling up to and including serious damage ,is likely.
In my view a 75 gal tank would be the minimum for one Oscar and the filter should turn over, six to eight times the volume of water in the tank each hour.75x6 =450 gal per hour.IMHO

The most important medication in your fish medicine cabinet is.. Clean water.
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post #17 of 18 Old 11-06-2009, 07:39 PM
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i have 2 oscars and 5 silver dollars in a 90 gallon. i have an eheim 2217, and a eheim 2215 as well as a rena xp4 set up as a giant water polisher...seems fine...everytime someone gets a fish someone always seems to say that the tank is to small....lol we all cant install 500 gallon tanks in the house...
you right you can't install 500 gallon tanks in the house, but you can keep less fish.

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post #18 of 18 Old 11-06-2009, 08:40 PM
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i understand what ur sayig but to be perfectly fair no fish should be kept in a tank....90 plus gallons for 2 oscars dosent seem unreasonable to me..for even the most common and petite aquarium fish, any size tank wont provide as much room as their natural habitiat. most of what i read saya to allow 40 gallons per oscar.
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