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Is there such thing as too many water changes?

post #1 of 9
2/8/12 at 5:10pm
Thread Starter 

I have a 29 galloon tank, with a 5 gallon hang on refugium. I have a biocube protein skimmer and UV sterilizer. My nitrates are 0 and my pH is about 8.3-4. My question is, is there such thing as too many water changes? I do a 5 gallon water change every weekend, but don't know if I'm over doing it. All I have is 2 clownfishes, a mandarin, and a yellow watchman goby. I do have tons of coral though. I'm running a 150 watt metal halide with 2 - 14watt t5's. So I have LPS, SPS, soft coral, and a clam. So if anyone could give me an answer, it would be much appreciated :)

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post #2 of 9
2/9/12 at 10:31am

No there isn't. The reason is why do you want to? Norm. is to 20% a month, this can be done, monthly, weekly or bi-weekly. The only reason to more than that is if you are having problems.

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post #3 of 9
2/9/12 at 11:10am

There is no such thing as "too many" water changes, but too large at one time can shock the tank.

I do daily water changes (have a unit that does it for me) on my 180. Before I had a daily water change unit, I did weekly 20-30% water changes without any issues.

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post #4 of 9
2/9/12 at 6:23pm
Thread Starter 

Yeah, I'm doing 20% weekly. Nothing harsh, but I was just curious 

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post #5 of 9
2/9/12 at 7:00pm

I live by this rule: If it ain't broke, don't fix it.

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post #6 of 9
2/9/12 at 10:47pm
Quote:
Originally Posted by BTLDreef View Post

I live by this rule: If it ain't broke, don't fix it.


I agree, if you have a perfect tank...keep doing what you are doing. If your tired of doing the change so often...that's a different thing altogether. Then experiment and see what works best for you.
 

 

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post #7 of 9
2/10/12 at 9:30am

Since all your doing is taking out dirty water and replacing it with clean, and not excessively, its fine... 

 

I was doing a 2g water change on a 12g tank every weekend,,, my thinking is smaller changes more often keeps everyone happy and levels more level than 1 big change a month....

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post #8 of 9
2/10/12 at 9:45am
Quote:
Originally Posted by smallreef View Post

Since all your doing is taking out dirty water and replacing it with clean, and not excessively, its fine... 

 

I was doing a 2g water change on a 12g tank every weekend,,, my thinking is smaller changes more often keeps everyone happy and levels more level than 1 big change a month....



I agree. I always ran into more issues if I waited it out for the month. My corals just seem to respond better to weekly, and now even my daily changes. I never understood how people could go 1-2 or even more months between water changes.

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post #9 of 9
2/10/12 at 12:09pm

I agree.  I started to do weekly smaller water changes a few month back when I switched salts.  My tank has loved it. 

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