How Often Do You Do Aquarium Water Changes?

How often do you change your water? (Partial water changes)

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  • Monthly

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Mike

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Let's see how often people are changing the water in their tanks.  Login to vote and see the results.
 
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Mike

Mike

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I changed it to include "partial"
 

chickadee

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actually I do a 25% twice weekly since I just feel better about it. my little guy was sick and I got started doing it when I brought him home and just haven't stopped
 

Gunnie

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I usually do 50% once a week in all my tanks except the turtle tank. He gets 100% change every week.
 

newbie101

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weekly 4 me dudes ! I read that if u do it daily it'll change the levels of stuff in the water too drasticly and stress the fish.
 

dahly

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This is a good question for me at this time. I have been changing 25% every 4 days, but my lfs said that's too much. I was going to go down to 20% every other week, because of the lfs and so much that I have read. I will stay at 25% every 4 days, and check water chemistry once or twice weekly too. "Freshwater fish like freshwater!" If they were in a stream, the water would be in constant change. I just need to be sure the temp is correct, as not to stress the fish. I see Gunnie and other change their water frequently, so will I! Good poll, thanks!
 

Butterfly

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I do 30-50% every week and 25% twice a week on the 75 gallon because it has 3 big waste producers in it. The fry tanks(2) get 50% every day for the first 6 weeks.
Carol
 

Gunnie

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Dahly said:
This is a good question for me at this time.  I have been changing 25% every 4 days, but my lfs said that's too much.  I was going to go down to 20% every other week, because of the lfs and so much that I have read.  I will stay at 25% every 4 days, and check water chemistry once or twice weekly too.  "Freshwater fish like freshwater!"  If they were in a stream, the water would be in constant change.  I just need to be sure the temp is correct, as not to stress the fish.   I see Gunnie and other change their water frequently, so will I!  Good poll, thanks!   
If your tank is cycled, you can't do too many water changes. Although I do 50% in all but my turtle tank every week, if I did this routine less frequently (like once a month), it could be hard on the fish, because the new water being added might adjust the ph. Since I do it every week, there is probably not much of a fluctuation. More frequent water changes is far more important than how much you change out.
 

Jason

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I used to to do a 25% weekly and a 40% fornightly but now I increase to about a 30% every 5 days or so.
 

simpleton

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I do my water changes anywhere between weekly to 2 weeks maximum. I usually do a 40% water change with a good cleaning using the gravel vac.
 

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