KH test, 5 drops or 6? - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 12-20-2004, 02:21 AM Thread Starter
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KH test, 5 drops or 6?

I have the AquaPharm KH test. At 5 drops the water just begins to turn yellow with a slight hint of green. But is more yellow than green.
At 6 drops it is definitely yellow.
Is my KH 5 or 6?

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post #2 of 8 (permalink) Old 12-20-2004, 02:24 AM
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In situations like that I 'd call it 5.5

óBill

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post #3 of 8 (permalink) Old 12-20-2004, 02:26 AM
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I would agree 5.5

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post #4 of 8 (permalink) Old 12-20-2004, 02:32 AM
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Ditto on the 5.5

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post #5 of 8 (permalink) Old 12-20-2004, 02:34 AM Thread Starter
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Quote:
Originally Posted by bharada
In situations like that I 'd call it 5.5
GrOoOoOoOvy, that's what I shall call it, too!

~Behold the Savior of mankind,
nailed to the shameful tree.
How vast the love that Him inclined,
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post #6 of 8 (permalink) Old 12-20-2004, 02:39 AM
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You can double the accuracy. Use 2x the sample of water and then every drop will equal 0.5 dKH.
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post #7 of 8 (permalink) Old 12-20-2004, 02:44 AM
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ya, do 10ml water instead and then 1/2 the # of drops to get to your degrees of KH. after a while you can go back to 5ml and "eye it" pretty well.

When I first got into co2 I would even do 20ml water to get to the .25 increments.

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post #8 of 8 (permalink) Old 12-21-2004, 03:55 PM
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And it could be that the first drop was larger or smaller than the other drops, which will affect the results.

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