EDITED
Hi All,
I decided to get a Hanna to nail down an exact number and my nitrate readings were coming back with 9.
I forgot to divide by 10 on salifert because i didn’t clearly read directions. Derrrrrrrrrppp. I thought I had 50 nitrate. 
Hi All,
I decided to get a Hanna to nail down an exact number and my nitrate readings were coming back with 9.
I forgot to divide by 10 on salifert because i didn’t clearly read directions. Derrrrrrrrrppp. I thought I had 50 nitrate.

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