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Old 01-08-2012, 01:44 PM   #1
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kH

Could someone educate me? I don't understand what this is. But it takes me 15 drops to get from blue to yellow....
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Old 01-08-2012, 02:09 PM   #2
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If it's the API kit, that means your DH (degree of hardness) is 15.... moderately hard water. What are you keeping, or planning on keeping? Some fish love those conditions, other don't, and, like Ph, many can adapt.
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Old 01-08-2012, 02:12 PM   #3
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Quote:
Originally Posted by Phranque
If it's the API kit, that means your DH (degree of hardness) is 15.... pretty hard. What are you keeping, or planning on keeping? Some fish love those conditions, other don't, and, like Ph, many can adapt.
Yes it's API.
I have damsels and inverts and a soft coral.
Hardness of what? Do I need to lower it? Why is it so high? How do I lower it if need be?
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Old 01-08-2012, 02:29 PM   #4
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KH is carbonate hardness, it is a factor in the buffering capacity of the water(resistance to PH change) I am not educated enough in marine tanks to say what KH is ok for saltwater inhabitants There are many folks on this forum very educated in saltwater that should be along shortly to help with your question.
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Old 01-08-2012, 02:30 PM   #5
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All my other levels are consistently 0, ph is usually 8.2
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Old 01-08-2012, 02:37 PM   #6
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I don't use API test kits (cheap and inaccurate, IMO), but if that is 15 dKH, that's way too high. Are you adding any supplements and what brand salt do you use? What is your salanity (SG)?
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Old 01-08-2012, 03:17 PM   #7
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I use ocean water.
SG is 1.022
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Old 01-08-2012, 03:18 PM   #8
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Is this considered a supplement?
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Old 01-08-2012, 03:26 PM   #9
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Anything that you add to your tank is a supplement.

Your dkh should be between 8 -12, below 8 will promote algae.

I like to keep mine at 9.6
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Old 01-08-2012, 03:45 PM   #10
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How can I regulate it?
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