Properly reading API Master Kit test results Question 

BrettXNA

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I am a little confused about how to properly read the results from
the API Master test kit color card.
Are you supposed to touch the test tube to the color card or hold the
tube away from the card a bit ?
The instructions dont seem real clear on this!

Thanks
 
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BrettXNA

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Cichlidude said:
Just hold it up next to the card and read it.
Do you mean the tube should be held in front of the color card ?
Because I thought there should be a white background behind the
tube when the color is read.

Thanks
 

Aquarist

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Good morning,

I always hold my test tube to the card so that it has a white background.
Ken
 

Tigerfishy

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I agree with Ken, I hold it just in front of the white card beside the colour blocks.
 
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BrettXNA

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One last question, for clarification.

When I hold the tube in front of the card,
should the tube be far enough away from the card
so the tubes shadow isnt visible through the
tube ?

I noticed if the tube was too close
to the card, its own shadow
would darken the color, thus causing me more confusion!

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Prince Powder

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I know what you mean! I hold it away from the card so that the shadow doesn't affect the color.
 
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BrettXNA

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I really wish would the manufactures of these tests (esp the test tube types)
would go into greater detail about properly reading the color to check results.
As they are now they are kinda vague in some areas.

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FLGirl

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Hey, I asked API about it because I had the same question they said...

FLGirl to determine the correct level for your tests you will want to hold the test tubes directly against the white background. This will give you the correct reading for all of your tests.
and I don't know if this will help but sometimes if it's starting to look like it matches half the card I will hold it up to the bathroom mirror and read it. I'm not sure if its the different perspective or the distance but sometimes it helps me pick the best one...it could just be me though LOL
 

Butterfly

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I lay the card on the table in a well lit area and lay the tube on the card next to the color strips. It's much easier to compare colors that way.
Carol
 

FLGirl

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Butterfly I wondered about that too but they didn't say which way. Like if I lay my results down flat I get a reading of much less than if i held it up straight.
 

Butterfly

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If you hold it up there may be other colors reflecting through the sample. If you lay it on the white part of the card all you see is the white through it thus giving you a purer color. Just my thoughts.
carol
 
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