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Old 08-11-2007, 10:33 PM   #1
Pollitz
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How to lower Alkalinity


Hi I was wondering, how do you lower alkalinty. My ph is about 8.0-8.1 and my alkalinty is high.

I put some liquid seachem buffer in which raises ph to 8.3 and stabilizes alkalinity. Does anyone know if this will work?

Thanks!
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Old 08-11-2007, 11:06 PM   #2
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how high is your alk???
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Old 08-11-2007, 11:30 PM   #3
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Ususally to lower something requires a water change.
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Old 08-12-2007, 12:35 AM   #4
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I agree with the water changes. How high is your dKH?

Let me also say that your alkalinity will come down naturally, eventually... however, you need to get your water chemistry stable. I would do some water changes everyday to get things right and then monitor your params.

What device are you using to measure your dKH? DO NOT TRUST A MONITOR TO TEST YOUR pH! Check using the test kit.

Just my $.02
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Old 08-12-2007, 09:14 AM   #5
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Alkalinity


Hi,

I have a red sea test kit and it states it is in the high level. I have been doing quite a bit of water changes but I am afraid I am doing too much and the tank just isn't getting stable. Do not know what to do.

Mike
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Old 08-12-2007, 09:20 AM   #6
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(DO NOT TRUST A MONITOR TO TEST YOUR pH! Check using the test kit.)



Why not ?
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Old 08-12-2007, 10:11 AM   #7
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Because they need frequent re-calibration and before making changes in water chemistry I would make certain that my readings were correct.

Plus, IMO, pH is just a snap shot anyway... I don't feel the monitors (of which I have also) are completely dependable.
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Old 08-12-2007, 12:28 PM   #8
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a properly calibrated PH probe is MUCH more acurate than a color based test .... please go test your water, then read the results

1. in your garage under flourescant lights(yellowish light)
2. Kitchen flourescant lights (white)
3. outdoors w/ ntural light
4. by your tank

You will most likely NOT read the same results under different lighting ...

just my $0.02 ..take it for what its worth ...
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Old 08-12-2007, 12:32 PM   #9
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Quote:
Originally Posted by Bloke View Post
Because they need frequent re-calibration and before making changes in water chemistry I would make certain that my readings were correct.

Plus, IMO, pH is just a snap shot anyway... I don't feel the monitors (of which I have also) are completely dependable.

Well I and others use them and with the test kit debate going on I trust my monitors and they get recalibrated about every 2 months. But I test alk. more that anything if the alk. is right then Ph is normally where it needs to be and stable. My Ph stay's 8.1-8.4 and I can live with that, and my alk. runs 10.4-10.6. And I do run a reactor.
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Old 03-12-2008, 10:10 PM   #10
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i need help dkh way high


ok i have had my tank set up about 9 months no have a lot of coral and fish. dkh alkalinity is 286.4 kh. dkh 16. my cal is 440. and nitrates is 30. ph is 8.4.Sp. gravity is 1.024. what can i do to get dkh down my test kit is a master test kit from API dkh has been high for 3 weeks now not adding any thing but water changes 10% every week. not putting in any buffers or anything else right now. some one told me something about vinager. can some one help please?????????????
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Old 03-12-2008, 10:18 PM   #11
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Are you using RO water. If not you may be adding the alk with the water change. Also, have you measured your magnesium?
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Old 03-12-2008, 10:20 PM   #12
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big kai...welcome to trt

pollitz...I run my alk @ 11 dkh..yours isn't high It will come down on it's own as things consume it. Another large question: do you use rodi water or tap? Tap water usually contains high levels of alk to begin with.
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Old 03-12-2008, 10:22 PM   #13
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wait...the OP was in august of last year...nevermind my post.

big kai...you might should start your own thread
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Old 03-13-2008, 01:12 AM   #14
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I have learned this lesson the hard way as well. If something shoots up that high, doulble check it, and then if you can take some water to the LFS or a friend, or just use a different brand test kit to recheck the test. Especially Magnesium. I have found that between sera test kits and Salifert mag test kits, there is a huge difference and I dont know which is accurate. Even between 2 salifert kits, there was a 300 point swing.

I am now spending 25.00 a month to have aquarium water testing do a test once a month just to keep all my test kits in check.

My .02
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Old 03-13-2008, 09:09 AM   #15
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What is the level now!
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