PPM/deg to % conversion - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 08-07-2015, 08:19 PM Thread Starter
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PPM/deg to % conversion

Hey everyone,

I noticed on some fert bottles that have mineral concentration of ppm/deg, while others are %'s (e.g. on Tom Barrs site, his CSM+b is in %) how can I convert from one to the other?

thx!
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post #2 of 3 (permalink) Old 08-10-2015, 07:53 AM
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Going from ppm (parts per million) to percentages is quite easy.

Just remember that 1 ppm is 1 in 1,000,000 and you can easily derive the percentages from there.

Anthony


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post #3 of 3 (permalink) Old 08-10-2015, 12:04 PM
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Stated another way, move the decimal point 4 places to the left. For example 100 ppm would be .01 %

Dave

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