water change question - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 08-30-2008, 05:39 PM Thread Starter
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water change question

i was wondering if i can just top off my water or is it important to keep doing my weekly water change? I was thinking of getting an automatic top off system going on

Neil


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post #2 of 10 (permalink) Old 08-30-2008, 06:50 PM
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Originally Posted by resowner92 View Post
i was wondering if i can just top off my water or is it important to keep doing my weekly water change? I was thinking of getting an automatic top off system going on
Wouldn't there be a build up of TDS over time? Unless of course you are using RO water for your top-offs.
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post #3 of 10 (permalink) Old 08-30-2008, 09:17 PM
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Hot topic! And IMO there isn't a general answer. Depends on your tank set up. On my 55's I do a 50% change weekly because they are high tech and I use the EI method of dosing. On my low tech tanks, I don't do a W/C unless something goes wrong. All I do is top off the tank.

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post #4 of 10 (permalink) Old 08-30-2008, 10:32 PM
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If your tank is really well balanced chemically, you can go for years without a water change. Typically however, different types of waste build up and you will need to change the water at least every 2-3 months.


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post #5 of 10 (permalink) Old 08-30-2008, 11:35 PM
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If using any ferts a weekly water change is a must. Especialy with EI dosing.

IF you have a VERY low bioload, you can go longer, but inevitably water changes are necessary. As much as I love the idea of a walstad type tank, I just don't buy into it all 100%.

A lot of things build up in our tanks that we are NOT testing for. This means that without water changes they just keep building up.
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post #6 of 10 (permalink) Old 08-31-2008, 05:22 AM Thread Starter
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ok thats what i needed to hear i have lots of rcs in there so i dont think it will work

Neil


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post #7 of 10 (permalink) Old 09-02-2008, 12:46 PM
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i have an auto top off system. I still do weekly water changes. I use an open lid so the evaporation after a few days is allot. Its just easier with this. It just pulls from a 5gal water bucket under my tank~

easy~

chris
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post #8 of 10 (permalink) Old 09-02-2008, 12:51 PM
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I do a water change on all my planted tanks every two weeks. About 30 percent. Unless I have some algae growth then I do bigger water changes cause it helps it go away. Really it does.
I top off between changes.

My planted tank. 55 gallon fluorite substrate over soil, 64 watts of light, excel twice a week. Weekly water changes. Angelfish pair, guppies, BN plecos and otos. Redone 11/13/2012
One non planted tanks. 75 gallon.
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post #9 of 10 (permalink) Old 09-03-2008, 09:08 AM
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I get alot of evaporation in one of my tanks because I have open top tank but if I need to during the week I do top up the tank but I still try to do a weekly water change, I find the plants are a bit happier with this......and the algae dosen't trouble me as much as it use too when I was a bit slacker with the water changes....
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post #10 of 10 (permalink) Old 09-03-2008, 03:43 PM
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There really is no one answer to this. For example i have a tiger barb tank that has not had a water change in over 2 years, they look awesome great color. But i also have a guppy tank that if it doesn't get its water change bi weekly fish start dieing, both have a similar bio load, both have few plants. I for the life of me cant explain it, then i have tanks that get 50% weekly without fail(shrimp) just because i dont wanna risk it.Guess it boils down to your tank and what works for it.
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