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Ammonium Testing (NH4 as N)
1000ppm NH4 Standard in UES. Instructions for dilution procedures & adjusting to Morgan soil test method. *Do not mistake this for the test solution used in the dr Reams Urine Analysis*
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$11.99
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$19.99
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$91.99
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The unique color disc kits feature a continuous-gradient color wheel for fast, accurate comparisons. The continuous color provides higher levels of accuracy.
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$120.00
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