PH Problems...

[Crimson11]

Good morning,

I have the aquarium running since 10 months.

I was never able to rise the PH above 7.8 and dkh 7.

I have all the windows opened, there is a good movement on the water surface, calcium & magnesium are on the range...

I started using Elos salt and when I mix it with airstone for 12 hours; its ph is around 8.1-8.3 but does not help that much with the ph of the tank after a day.

I am not running any calcium reactor.

I tried buffer but the effect goes away in a day.

I am using salifert &red sea kit.

Any ideas?

Thanks in advance.

[downbeach]

http://reefkeeping.com/issues/2004-09/rhf/index.php

[aquamann183]

Do you have fish? How often do you feed?

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[vhuang168]

What do you have in the tank? Stoney corals? Are you dosing for Alk,Ca,Mg? Dosing or adding anything other supplements?


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[Crimson11]

Originally Posted by downbeach

http://reefkeeping.com/issues/2004-09/rhf/index.php

I read that long time ago and I believe I have a low ph due to low alkanity however i know other people that uses this salt and the lfs uses it and ph is always fixed to 8.3 with an alkanity higher than mine and they do not dose anything other than water changes.

[Crimson11]

Originally Posted by aquamann183

Do you have fish? How often do you feed?

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Yes I have a zebrosome, japonicus, klarkii and 6 line wrasse for now. I feed 3 times a day. But I had the same problem without the fish as well.

Originally Posted by vhuang168

What do you have in the tank? Stoney corals? Are you dosing for Alk,Ca,Mg? Dosing or adding anything other supplements?


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I do not have any stony coral. I have Rhodactis indosinensis, button polyps, galaxia etc. I dose ca / mg whenever necessary.

[madweazl]

Originally Posted by Crimson11

Good morning,

I have the aquarium running since 10 months.

I was never able to rise the PH above 7.8 and dkh 7.

I have all the windows opened, there is a good movement on the water surface, calcium & magnesium are on the range...

I started using Elos salt and when I mix it with airstone for 12 hours; its ph is around 8.1-8.3 but does not help that much with the ph of the tank after a day.

I am not running any calcium reactor.

I tried buffer but the effect goes away in a day.

I am using salifert &red sea kit.

Any ideas?

Thanks in advance.

Have you checked hydrometer against another for accuracy?

[Crimson11]

Originally Posted by madweazl

Have you checked hydrometer against another for accuracy?

I use refractometer and I double checked it with the lfs.

[vhuang168]

Originally Posted by Crimson11

Yes I have a zebrosome, japonicus, klarkii and 6 line wrasse for now. I feed 3 times a day. But I had the same problem without the fish as well.







I do not have any stony coral. I have Rhodactis indosinensis, button polyps, galaxia etc. I dose ca / mg whenever necessary.

You only dose Ca and Mg but not Alk? How else would you keep Alk up? Consumption of Ca is almost always in ratio with Alk consumption. If you are dosing Ca to keep your levels then you almost certainly have to dose Alk as evidenced by your low Alk levels.

Why do you dose Ca and Mg but not Alk?


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[mcgyvr]

Start dosing alk.. get it up..keep it up and watch the PH problem go away..
I'd try getting it to 9 slowly and see how that does..

[heathlindner25]

Originally Posted by mcgyvr

Start dosing alk.. get it up..keep it up and watch the PH problem go away..
I'd try getting it to 9 slowly and see how that does..

+1 this was what I was going to say as I was reading this

[Crimson11]

I use salifert alk + ph buffer. but it seems the effect goes away within a day.

[heathlindner25]

Dose every day.