Refractometer Question - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 4 Old 06-01-2012, 04:30 PM Thread Starter
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Refractometer Question

When I look at my in-tank hydrometer it reads .022 but when I test it in my refractometer it shows .024. Is it common to have that difference between the two. The refractometer has been calibrated per the instructions and I check it weekly.
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post #2 of 4 Old 06-01-2012, 06:52 PM
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Originally Posted by dandk2261999 View Post
When I look at my in-tank hydrometer it reads .022 but when I test it in my refractometer it shows .024. Is it common to have that difference between the two. The refractometer has been calibrated per the instructions and I check it weekly.

Thats why we advise the use of a Refractometer. Hydrometers are not accurate.
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post #3 of 4 Old 06-01-2012, 06:59 PM Thread Starter
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great thank you.
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post #4 of 4 Old 06-02-2012, 01:51 AM
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well

bumb ubm!
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