I recommend that you change it every month so your filter can run properly. This can help maintain a healthy tank. I change mines every 3 weeks.
ITS YOUR TANK. ENJOY IT!!!
2007-08-10 15:41:30
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answer #1
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answered by Shadow 1
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for 3 goldfish, you ought to have a minimum of 40 5 gallon tank. For a 40 5 gallon gold fish tank, you ought to have a mimimum of a filter out rated as much as ninety gallons. Gold fish make a great quantity of waste and you will slowly kill them otherwise. right here is the factor maximum folk don't get... the extra in many cases you alter your filter out, the extra severe off your water would be. Filters strengthen bacteria that eat the fish ammonia waste (which gold fish make extremely some). changing the filter out disrupts that. i could by no capacity exchange the filter out till it quite is approximately to fall apart. as quickly as each and every week, exchange 50% of the water interior the tank. another week, RINSE the filter out off in water you have removed from the aquarium (it quite is to declare, water without chlorine in it). you ought to shop that bacteria intact, and you ought to examine up on the nitrogen cycle ASAP. do no longer believe suggestion from a "university". in case you will detect a interior reach (no longer a Petco and so on) puppy keep, bypass there and ask them in the event that they have Marineland BioSpira. Get a number of that and sell off it into the tank in the present day. gets cloudy for an afternoon or 2, then that's going to likely be a lot extra powerful off.
2016-10-14 22:26:41
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answer #2
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answered by Anonymous
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I change mine when i see that the water starts getting dirty faster then it was before after i clean the fish tank. You should keep track on how often this happens and then you will know when to change it. It mainly depends on the size of the fish and how many things you have in the tank like rocks and little fish houses.
2007-08-10 15:03:34
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answer #3
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answered by Zapp 2
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Change your filter media in stages, so probably the foam one month, then the carbon the next month and so on. It really depends though on how big your tank is and how many fish you have, if you do many water changes and so on. Common sense really. :)
2007-08-10 15:12:04
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answer #4
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answered by Haley 2
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The ideal time to change you filter is every time you have a water change. Generally you are supposed to change you water every month (25% of the water). Your fish tank works in cycles. The carbon in the filter normally loses its function after about a month. Its healthier for your fish to keep them with a clean filter.
2007-08-10 15:06:36
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answer #5
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answered by Little Bunny 3
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it's recommended to change it every 4-6 weeks
Hope that helps
Good luck
EB
2007-08-10 21:36:32
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answer #6
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answered by Kribensis lover 7
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i change mine every 3-6 monthes
2007-08-10 18:15:55
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answer #7
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answered by girl. 2
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