am_al_59
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What should be done to measure the amount of N P K Ca Mg each separately in solution (PPM)?

Postby am_al_59 » Sun Jul 30, 2017 3:07 am

What should be done to measure the amount of N P K Ca Mg each separately in solution (PPM)?
solution is very dark
Error up to 10% is acceptable

MadelineB
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Occupation: Biostatistician/Data Scientist

Re: What should be done to measure the amount of N P K Ca Mg each separately in solution (PPM)?

Postby MadelineB » Wed Aug 02, 2017 1:11 pm

You have posted 2 questions with similar topics in separate forums. Please see my reply to your most recent post:

viewtopic.php?f=29&t=17854&p=61023#p61023


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