LaMotte Macronutrient Plant Tissue Test, N-P-K handheld sharpener 9 Unlike standard cab filters that

Unlike standard cab filters that have only a paper-like medium to trap dusts

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Hanging scale displays in pounds

This Low-Pressure GunJet® AA43 Spray Gun from TeeJet is heavy-duty and chemical-resistant

has an easy-to-adjust ratio and can be used in water with a maximum temperature of up to 104°F

LaMotte Macronutrient Plant Tissue Test, N-P-K handheld sharpener 9 Unlike standard cab filters thatSimplified plant tissue field tests help you determine whether your growing plants are receiving adequate amounts of nitrates, phosphorus and potassium from the soil. Requires just one diced green plant tissue sample thats been saturated in an extracting solution for each of the three N P K tests. Provides results as "Abundant," "Adequate" or "Deficient." Includes 50 tests per N P K factor. NOTE: Requires special handling due to DOT regulations.