Archivarium 2004
Repository of our 2003/2004 Topics
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Fraynes1
Members
Joined: 15 Feb 2005
Location: Thunder Bay, Ontario Canada
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 Posted: 2005.05.15(Sun)7:51 Post subject: Reading Test Results |
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I have a stupid question about how to read tests. Right now I use all aquarium pharmaceutical tests.
My question is, lets say, when I test for Nitrates, I follow instructions and after waiting check it against the color chart. If I hold the vial right against the paper it will be closer in color to 20ppm but if I hold it about 1/4" from the paper with light behind it will be closer to 10ppm. Which is correct?
I usually go by holding it 1/4" away from the chart paper.
Newbie question but want to get it right!
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Josh Hansen
Regulars
Joined: 20 Feb 2005
Location: Dayboro, Queensland, Australia
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| Posted: 2005.05.16(Mon)3:28 Post subject: Test reading |
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Try looking at the test tube from the top facing downwards to the test chart.
from Josh |
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