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Old 05-17-2014, 04:29 AM   #1
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PH?

If my magnesium, kh and calcium are good why would my ph be low? I have put ph buffer in but it only rises for an hr then slowly falls. I have done a water change and tested with api kit to be sure the probe is accurate and it is.

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Old 05-17-2014, 06:13 AM   #2
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What is "low" ph? How low? When do you test? Is it open top or does it have a cover?
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Old 05-17-2014, 06:21 AM   #3
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It's not too low I'm not panicking I'm just trying to understand why it fluctuating. It's 7.85 on my probe at night but I backed it up with an api test. It's just weird cause last week it was 8.1 although I've made some changes to my tank. It's an open top. It does rise during the day but not much it's still in the same range. I added a bigger sump new stand and replaced my sand bed. But the pH had been the same before the sand bed was changed.

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Old 05-17-2014, 04:03 PM   #4
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Do you mean it used to be 8.1 at night?

Btw, 7.8 is fine, and if it rises during the day that's good too.
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Old 05-17-2014, 05:10 PM   #5
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Don't worry to much about ph unless your having extreme swings. As long as everything's happy let it be where it's at, ph buffers can cause other issues. Often times the KISS principal is best, and ph is a prime example IMO
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Old 05-17-2014, 05:19 PM   #6
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Quote:
Originally Posted by BigRedsReefs10 View Post
Don't worry to much about ph unless your having extreme swings. As long as everything's happy let it be where it's at, ph buffers can cause other issues. Often times the KISS principal is best, and ph is a prime example IMO

+1 I used a buffer and regretted it -- it threw the Alk and Calcium way out of whack.
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Old 05-17-2014, 06:54 PM   #7
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Yeah think I'm going to cut it back to just weekly water changes not chemicals. Think I'm getting to much in there my tests are reading good but i got feeling on this one. Weird cal kh mag on point ph won't stabilize over 7.86?

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Old 05-17-2014, 06:56 PM   #8
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Quote:
Originally Posted by BigRedsReefs10 View Post
Don't worry to much about ph unless your having extreme swings. As long as everything's happy let it be where it's at, ph buffers can cause other issues. Often times the KISS principal is best, and ph is a prime example IMO

+1. pH buffer along with a few other "LFS, you gotta get this too stuff" is just a way of separating you from your money. Many of these products are very unnecessary.
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Old 05-17-2014, 07:01 PM   #9
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I believe it I'm going to go back to instant ocean. I've been buying reef crystals pro salts but I think it's been adding more chemicals than I need right now. My cal alk and mag have risen since I switched to pro salts but I'm going to cut it down. Does phosphate or nitrate affect ph?

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Old 05-20-2014, 02:17 AM   #10
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Problem solved opened windows in house today and ph is now 8.30

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