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post #1 of 6 (permalink) Old 09-27-2014, 08:16 PM Thread Starter
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Help with gh and kh

I bought the 5 in 1 strips to measure the gh- kh, but I read that crystals need between 1-4. Problem I am having is that kh and gh measures from 0- 30-60 and so on their is no 1,2,3,4 it's all over 30s its either 0-30max 240
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post #2 of 6 (permalink) Old 09-27-2014, 08:35 PM
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Quote:
Originally Posted by lechero View Post
I bought the 5 in 1 strips to measure the gh- kh, but I read that crystals need between 1-4. Problem I am having is that kh and gh measures from 0- 30-60 and so on their is no 1,2,3,4 it's all over 30s its either 0-30max 240
I honestly don't know a thing about the test strips, but if you want to get measurements that are 1, 2, 3, etc. you should get the API GH and KH Test Kit. It's a liquid test instead of strips. Right now on Amazon it's $5.99, so definitely worth the purchase since it's also more accurate than strips.

If there's a table that tells you the conversion to ppm, for 1-4 you would need 17.9-71.6 ppm.

Hope that helps. Test strips will work, but if you want to be accurate, I would recommend getting that liquid test kit by API. http://www.amazon.com/gp/product/B003SNCHMA/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
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post #3 of 6 (permalink) Old 09-27-2014, 09:24 PM
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The test is most likely reporting ppm. To convert to dGH (degrees) divide by 17.86

ie. 30ppm is 1.8 dGH
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post #4 of 6 (permalink) Old 09-28-2014, 12:14 AM Thread Starter
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Is it the same for kh
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post #5 of 6 (permalink) Old 09-28-2014, 12:25 AM
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Originally Posted by lechero View Post
Is it the same for kh
Yes. Same conversion for both.
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post #6 of 6 (permalink) Old 09-28-2014, 01:26 AM Thread Starter
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Ok thank you
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