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Old 01-25-2012, 05:41 PM   #1
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Water changes!

How often do you do waterchanges?
how much water do you change out?
how big is your tank?
(if you want to share) what is your stock?
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Old 01-25-2012, 05:44 PM   #2
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60g hex community tank-planted ... I change 45-55% every 7-10 days

29g with black Moor and calico telescope I change out 40-55% every 5-7 days

previously 10g ( now 20g extra high as of 2 days ago) I change about 80% every 5-7 days
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Old 01-25-2012, 06:20 PM   #3
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30 Gallon long community tank; 25% water change once/week (it used to be overstocked and I did 25% water changes every 2 days with a 50% water change at the end of each month)

20 Gallon Tall community tank; 25% water change every 2 weeks

2.5 Gallon betta bowl; 85% water change every 3-4 days (don't like betta bowls; got three for free with bettas. 2 bettas have been moved (one in each community tank) and the third will be moved once our next tank is set-up)
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Old 01-25-2012, 06:26 PM   #4
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40% weekly on a well stocked 29g maintains 10-20ppm Nitrates.
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Old 01-25-2012, 06:41 PM   #5
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70g heavily planted community - 50% every 5-10 days
40g goldfish - 50% 1-2 times a week
26g goldfish just set up - going to be 50% 1-2 times a week
17g community lightly planted - 50% once a week
10g Betta and rasboras lightly planted - 50% once a week
8g Betta heavily planted - 50% 5-10 days
2.5g Betta - 50% twice a week
I do have some sort of order when it comes to PWC but nothing strict. I rarely do more than three tanks on one day. It's too hard with two little kids hanging around your feet.
Stock list in my profile.
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Old 01-25-2012, 07:06 PM   #6
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Water Changes

Quote:
Originally Posted by rreekers View Post
How often do you do waterchanges?
how much water do you change out?
how big is your tank?
(if you want to share) what is your stock?
Hello r...

This is one of my favorite tank subjects. If you're getting out the equipment for doing a water change, then I suggest you make it worth the effort.

The reason is your fish are living in their own waste products and need a constant flow of a lot of clean, treated water flushed through the tank regularly. A 25 to 30 percent water change isn't much better than no change at all.

The reason is that the ammonia, nitrites and nitrates build up in the tank every minute and the longer the pollutants stay in the water, the more it weakens the fishes' immune system. That's the reason, tank keepers have issues with sick fish and deal with parsites like "Ich".

I change 60 to 70 percent of the water in my tanks every week. By doing this, there's no time for pollutants to build up in the water before the next large change.

I learned a long time ago, that the more tank water you change and the more often you change it, the healthier your fish and plants will be.

B
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Old 01-25-2012, 07:13 PM   #7
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40 gallon planted, 50% every sunday, no matter what. Stock in my profile
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Old 01-25-2012, 08:27 PM   #8
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55 gal mbuna - 50-70% weekly
55 gal planted tropical - 50-60% weekly
20 gal planted guppy - 60-70% weekly

I used to vacuum/siphon all tanks, then refill them all to save some time hooking up to sink. Now I complete each before moving on. It takes a little more time but i can spend more time cleaning filter or rearranging aquascape without rushing, and take a break when I feel lazy. It's better for the fish and more relaxing for me.
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Old 01-25-2012, 08:34 PM   #9
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Quote:
Originally Posted by Slade
55 gal mbuna - 50-70% weekly
55 gal planted tropical - 50-60% weekly
20 gal planted guppy - 60-70% weekly

I used to vacuum/siphon all tanks, then refill them all to save some time hooking up to sink. Now I complete each before moving on. It takes a little more time but i can spend more time cleaning filter or rearranging aquascape without rushing, and take a break when I feel lazy. It's better for the fish and more relaxing for me.
I do the same thing depending on my ambition and energy level .. either do one at a time or drain all then fill all
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Old 01-25-2012, 09:37 PM   #10
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I have a slightly overstocked 45 gallon tank. I'm changing out 50% about twice a week.
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