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Unread 02/01/2011, 07:39 PM   #1
Hsimpson
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carbonate hardness???

my carbonate hardness is at 10 dkh.According to the test booklet it is too high.The booklet says it should be reading between 5-7 dkh.I dont even know what carbonate hardness is.So my question is Am I in trouble?


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Unread 02/01/2011, 08:08 PM   #2
thegrun
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Carbonic hardness (alkalinity) should range between 7.5 and 11.0 DKH (8-10 is better) so you are fine.


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Unread 02/01/2011, 08:19 PM   #3
Hsimpson
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Quote:
Originally Posted by thegrun View Post
Carbonic hardness (alkalinity) should range between 7.5 and 11.0 DKH (8-10 is better) so you are fine.
OK thank you

I ive in garden grove too.


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Unread 02/02/2011, 07:19 AM   #4
Michael
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yup 10 is fine, where did you read 5 was ok? what booklet?


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Unread 02/02/2011, 07:32 AM   #5
Hsimpson
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Quote:
Originally Posted by Michael View Post
yup 10 is fine, where did you read 5 was ok? what booklet?
I read it in the API reef master test kit. What it says is natural seawater has a carbonate hardness level of 5-7 dkh.

My bad I just read the next page(witch is in french except the first paragraph) and it says 8-12 dkh


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Unread 02/02/2011, 09:36 AM   #6
reefsforme
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According to what I know and read, it should be from 8-12 dkh. To check ALK.DKH, I suggest using Salifret, it is more precise.


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Unread 02/02/2011, 03:26 PM   #7
Mr. Fish
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My DKH is 9 and everything is healthy and happy.

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