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01-05-2010, 05:18 PM
| #1 |
| Plankton  Join Date: Jan 2010 Location: Ontario, Canada Age: 49
Posts: 21
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Karma: 277
  |  Proper water changes
Hi. I want to know what is the proper amount of water that should be changed weelky on a 40 gallon tank with 3 fantails in it. I also have a 15 gallon with 1 fantail. Thanks Mike
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01-05-2010, 05:54 PM
| #2 |
| Wannabe Reef GOD!  Join Date: Jun 2009 Location: Ft Washington, MD Age: 46
Posts: 2,398
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Karma: 1621581
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general rule of thumb is 10% weekly so about 4 gallons a week for the 40 and 1.5 gal for the 15.
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01-05-2010, 05:57 PM
| #3 | |
| Giant Squid  Join Date: Jul 2007 Location: Miami, FL Age: 44
Posts: 7,934
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Yup, he's right. Anywhere between 10-15%. luna | |
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12-30-2011, 08:41 AM
| #4 |
| Astrea Snail  Join Date: Dec 2011 Location: northwest indiana Age: 29
Posts: 34
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I changed about 15% in my 30 gallon with 2 goldfish, but 10% is about average for a weekly water change as long as your fish are doing ok and the tests are good.
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