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Old 03-14-2012, 03:31 PM   #1
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Water change frequency?

I have been around and reading for a couple years now. I thought I had always read that smaller frequent changes were better because they are less disruptive to water paramaters. Twice in the last week I have seen people on this site say that bigger changes once a week are better than smaller multiple changes in a week.

I know there are different levels of expertise and many opinions out there.

I need clarification because I am considering to going to two 25-30% changes per week vs. one 50%.

Which way is better and what are your reasons for thinking so?

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Old 03-14-2012, 03:57 PM   #2
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i personally do 3-4 25% changes a week, just cause i dont mind doing it and a single bucket change on a 20G is very simple, plus my GBRs appreciate a lower nitrate reading thus more changes are needed

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Old 03-14-2012, 03:59 PM   #3
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We do 50% water changes weekly on all of our tanks.
75: blood parrots, featherfin cat, emperor tetras, turquoise rainbowfish, BN plecos, japanese trapdoor; 46: WCMM, gold inca snails, ghost, bamboo & amano shrimp, kuhli loaches, rummynose & ember tetras, endlers, platies, flame gourami, guppies; 16: pygmy, peppered, loxozonus corys, otos, assassins, RCS ... ~ Research PRIOR to purchase.... ~
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Old 03-14-2012, 04:14 PM   #4
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50% weekly
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Old 03-14-2012, 04:25 PM   #5
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I do 2-3 20% a week to not disrupt them.
"Life is not about how hard you can hit, but how hard you can get hit and keep going"
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Old 03-14-2012, 04:30 PM   #6
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I have always done 30-40% weekly on my tanks.
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Old 03-14-2012, 05:35 PM   #7
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I do a 20% every week same day.
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Old 03-14-2012, 06:00 PM   #8
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I try to do 2 x 25% changes.
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Old 03-14-2012, 06:01 PM   #9
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I am not as religious about wcs as serious fancy goldfish breeders (100% daily) but I do follow a hefty wc schedule- 50-70% atleast 2x a week. Healthier the water, the healthier the fish & the more stable your parameters. Obviously, everyone has different opinions & you will need to decide what works the best for your situation.
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Old 03-14-2012, 06:02 PM   #10
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I'm currently doing 25% daily because my tank wasnt cycled like I thought it was. Once I'm fully cycled I will be doing 2 25% weekly's just to keep it well maintained

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change, water change

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