Aquarium Pharmaceuticals KH AND GH testing instructions - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 03-06-2007, 05:06 AM Thread Starter
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Aquarium Pharmaceuticals KH AND GH testing instructions

Hi everyone,
Just purchased this test kit and the instructions were not inside! Anyone know where I can find the instructions for these two things? I checked on the website and cant seem to find much. Was looking for a PDF file but no luck.
Thanks for the help!
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post #2 of 8 (permalink) Old 03-06-2007, 05:19 AM
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For KH: Take 5 mls of tank water and add one drop of reagent in. Shake and it will turn blue. Keep putting in one drop of reagent and shaking, keeping count of how many drops of reagent you do. It will keep getting darker blue. Stop when you finally get a change from blue to yellow. That is your dKH. (number of drops of reagent to affect this change).

For the GH take 5 mls of tank water and then put in one drop of reagent and shake. It starts out very pale yellow - almost opaque. Repeat and keep counting. When it finally changes to a pale green, that is you dGH.
Hope this helps.





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post #3 of 8 (permalink) Old 03-07-2007, 06:10 PM
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My AP KH & GH kit doesn't work! Never gives accurate readins.
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post #4 of 8 (permalink) Old 03-07-2007, 08:00 PM
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Quote:
Originally Posted by kkentert View Post
My AP KH & GH kit doesn't work! Never gives accurate readins.
How do you know it isn't accurate?

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post #5 of 8 (permalink) Old 03-07-2007, 08:03 PM
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I love the A.P. KH test kit!

Why?

Because I'm colorblind and it's the only liquid test kit I've used that is completely unambiguous to me!

The GH test on the other hand...

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post #6 of 8 (permalink) Old 03-07-2007, 08:07 PM
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Because I use DI water, and no matter how many drops I put in, the test never measures. If it were accurate, it would mean my GH and KH are OFF THE CHART!
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post #7 of 8 (permalink) Old 03-08-2007, 02:37 AM
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Because I use DI water, and no matter how many drops I put in, the test never measures. If it were accurate, it would mean my GH and KH are OFF THE CHART!
Are you not adding any mg or ca to the water?





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post #8 of 8 (permalink) Old 03-08-2007, 02:45 AM
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If it turns to yellow after the first drop it means you have anywhere from 0-1 dKH.

I rarely use my test kit. When you use mostly distilled water, you just assume your KH is low, usually 0-1. When I use city water, I know it's high, around 15.

In college....so no aquariums for a while.....
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