How much water do you change?

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authmal

authmal

Pseudonovice
Aug 4, 2011
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Phoenix, AZ
When you do your regular water changes, how much do you do? I've been doing about 20-30% per week, and am curious what others do. I'm aware that some stocking requires higher percentages, but I don't think I have any fish that would indicate 30-50% water changes would be necessary.
 
Rbishop

Rbishop

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Dec 30, 2005
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Mr. Normal
Pretty much 50-60% weekly as minimum on all tanks regardless of stocking...and many at the same level 2-3 times a week.
 
Fishfriend1

Fishfriend1

Fishlover Extraordinaire
Dec 11, 2009
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Mr. Palmer
50-70% 3 times a week.
 
Taari

Taari

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Nov 4, 2010
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50% once or twice a week. I do one 50% water change because I EI dose my plants. Sometimes I will do a second if the algae is bad or there's a lot of scum on the bottom that I want to vacuum up.
 
T

teigan666

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Sep 26, 2010
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Teigan
everyone is gunna freak on me but i have never done a wc on my 37 gallon planted tank its got my penguin 350b on it and everything is perfect in the tank only time it gets new water is when evaporation occurs then i add new water
 
Lillyan

Lillyan

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Jan 26, 2010
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Culpeper, VA
Every 3 days, I change out to the filter intake. Sometimes I go too far and the filter stops, in that case, I just let it keep going to half empty.
 
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