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View Poll Results: Do you do water changes?
Regularly 93 75.00%
Only when needed (ie high nutrients / replenish elements) 9 7.26%
Whenever I remember to 18 14.52%
Never 4 3.23%
Voters: 124. You may not vote on this poll

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Old 11/04/2017, 02:00 AM   #1
Jon0807
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Who still does water changes?

How many of you actually do water changes? With all the different systems, dosing, testing, filtration, reactors, etc, I wonder, are regular water changes still necessary? I've watched so many videos on youtube and read so much about people moving away from regular water changes, it just makes sense to me that water changes are a pretty inefficient way of exporting nutrients and replenishing elements. I realize with nanos, water changes are the best way to do these things, but with bigger systems, its got to be pretty cumbersome and is the only reason why we do water changes because that's what we were told to do for years?


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Old 11/04/2017, 03:26 AM   #2
homer1475
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Most with large systems, do automatic daily water changes.

I still do a weekly 10G religiously on my 80G.

And yes water changes is still the best and most efficient way to manage water chemistry.

It's much easier when all you have to do is flip a couple valves and your done. It's best to think of things like this when setting up the tank, and getting it all setup so all you have to do is flip a couple valves.

Remember, the solution to pollution is dilution.


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Old 11/04/2017, 03:52 AM   #3
Karbonoffee
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I'm not going to lie and say I do water changes often. I try to do them when I get the chance to haha


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Old 11/04/2017, 07:36 AM   #4
ReefNomad
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Change water every week! I can't bring myself to give it up.


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Old 11/04/2017, 08:00 AM   #5
LeJeune981
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When I had my 150 up as a freshwater tank.. I had bluegill/sunfish/rock bass/a plecostomis/clown loach/and a channel cat... all were cought out of Lake Erie (except the pleco and loach)
Anyways. I had that system up for 5 years.. 2 huge hob filters (I forget who made them.. but they were 250 each 15 years ago)

Anyways.. long story short... my bluegill/sunfish/rock bass grew to over state record size... I was feeding the fish 200 feeder gold fish a week..

I never did a single water change in those 5 years.. and never once had bad water..or even smelly water....

I did change the filters a few times... mostly I just cleaned them and reused them...

My pan fish were all state records when released.. channel cat was 5 lbs..
Pleco weight in at around 3 lbs and so did the loach... all were cought or purchased tiny.. less than an inch long

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Old 11/04/2017, 08:05 AM   #6
Tom39
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I make it my goal to do them once a month and try and change out 20% of the water volume. Sometimes though, other activities like vacation and household chores get in the way and every month turns into every 6 or 8 weeks.

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Old 11/04/2017, 08:31 AM   #7
abrooks12376
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Quote:
Originally Posted by LeJeune981 View Post
When I had my 150 up as a freshwater tank.. I had bluegill/sunfish/rock bass/a plecostomis/clown loach/and a channel cat... all were cought out of Lake Erie (except the pleco and loach)
Anyways. I had that system up for 5 years.. 2 huge hob filters (I forget who made them.. but they were 250 each 15 years ago)

Anyways.. long story short... my bluegill/sunfish/rock bass grew to over state record size... I was feeding the fish 200 feeder gold fish a week..

I never did a single water change in those 5 years.. and never once had bad water..or even smelly water....

I did change the filters a few times... mostly I just cleaned them and reused them...

My pan fish were all state records when released.. channel cat was 5 lbs..
Pleco weight in at around 3 lbs and so did the loach... all were cought or purchased tiny.. less than an inch long

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You just incriminated yourself, definitely cannot go releasing aquarium kept fish into the wild. Fish and game anyone...

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Old 11/04/2017, 09:25 AM   #8
LeJeune981
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I'm an outlaw!!!!

I figured I released my fish in the same location I cought them...

Not like I released a foreign or evasive species...

My loach and pleco are still on display at the small town lfs I purchased them from...and are GIGANTIC now

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Old 11/04/2017, 10:35 AM   #9
Tcox
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Following the BRS160. I have a hard time keeping chaeto alive. If that wasn’t an issue I might consider going to the Triton method. Currently I’m doing about 30% ever other week.


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Old 11/04/2017, 02:20 PM   #10
JUNBUG361
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10-15 gallons every 2 weeks


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Old 11/04/2017, 03:32 PM   #11
ROB2005
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Change 5 gallons weekly, for sole purpose of trace element replenishment not administered by dosing.


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Old 11/04/2017, 09:50 PM   #12
zheka757
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i still do once i a while. but honestly, i do it not because i have bad test readings, just because. about ones every 2 month.


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Old 11/05/2017, 04:38 AM   #13
Bpb
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12% weekly as best as I can. Sometimes the lengths people go to in order to avoid water changes are far more expensive and labor intensive than the water changes themselves. I suppose your tank volume will settle that. For anything in the small to medium category I cannot see how an ultra high light refugium which needs to be trimmed and cleaned weekly, $200 in ICP testing every year, plus dosing 4+ additional elements daily to the tank (potentially needing to automate them), is in any way cheaper or easier than a bottle of vodka, a box of salt, and 5 minutes a week. But...to each their own. Sometimes the "fix" for a simple task is overly complicated and cost inefficient.

On a large tank I think a calcium reactor with carbon dosing is much cheaper or easier than any other trace addition/nutrient export method that could potentially lessen the need for water changes.


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Old 11/05/2017, 07:56 AM   #14
EMeyer
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Water changes are the single easiest maintenance task in keeping a saltwater tank.

In principle you can get away without water changes. But water changes are such as easy step that in one fell swoop accomplishes many good things for the aquarium.
nutrient export
replenish trace minerals
removal of refractory DOM
stabilize salinity
stabilize alkalinity

all these without the need for tedious and error prone testing, in a simple 5-10 minutes of siphoning and turning pumps on and off.

A more interesting question for a poll, in my mind, would be: if you dont do water changes, why not? Not saying people who don't are wrong -- you can definitely keep a beautiful tank with no WC -- but I'd be curious what people are perceiving as the benefit.


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Old 11/06/2017, 07:45 AM   #15
SycoCell
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I do about 25 gallons every 2-3 weeks in my 125g. I daily dose automatically, but it gives me the "fresh" feeling when it's done. Tank always looks happier when I do it.


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Old 11/06/2017, 08:00 AM   #16
MrsReefK
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I have my DOS setup to change 1.5-2% per day on our 625 gallon system.


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Old 11/06/2017, 08:00 AM   #17
Dmorty217
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I might do a water change every 6 months or so but not anywhere close to once a month.


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Old 11/06/2017, 08:08 AM   #18
RobZilla04
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Spread mine out to once a month. Trying to spread them even farther but depends on nuisance nutrient levels. Just installed a chaeto reactor to help.


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Old 11/06/2017, 09:25 AM   #19
eastlake
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I do 15 gallons out of my 150 gallon every week. Not only is it a routine at this point, which feels weird when I stray from it, but the corals tend to look nicer after the water change, which I like to see. I can't say I see the same immediate appreciation from the fish, but, I have a pair of shark nose gobies and allenii damsels that breed regularly and I'll take that as a thank you for the effort


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Old 11/06/2017, 09:43 AM   #20
Jekerry
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We just did our first at week 4. All the corals look happier. Even though our numbers did not indicate anything wrong, we noticed an immediate change. We did 10 gallon change in our 54 gallon tank. We plan on doing it monthly. It was pretty easy to do.


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Old 11/07/2017, 09:14 AM   #21
monkeysee1
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Every OTHER week here (usually on Saturday), my friend - and a 20-25% change.


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Old 11/07/2017, 09:27 AM   #22
jayball
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Every time I start neglecting water changes my LPS start going downhill. I just did a 20% and a 5% after a couple months of not and all my euphyllia look better. It seems that long established CA-RX systems with no or minimal soft coral does better with no water changes than mixed reef with other supplementation. (Just my observation from reading threads and my own aquariums/ other locals)


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Old 11/08/2017, 06:41 AM   #23
cincyjim
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I do water changes on a continious water change system. My friend though who has been keeping saltwater for years has gone to the Triton method (no water changes). I guess we'll see the true results in a year or two how that goes for him.


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Old 11/08/2017, 08:50 PM   #24
rocsec1
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I do 10% every week.


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Old 11/08/2017, 09:57 PM   #25
Jeramirez85
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I try to do 10% every week if I can’t then I make sure at the second week I do around 15%


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