Top 8 NPK Test Kit – Soil Test Kits

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1. Luster Leaf

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1 Pack, Luster Leaf 1601 Rapitest Test Kit for Soil pH, Phosphorous and Potash, Nitrogen

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Luster Leaf #ad - Contains all components needed for 40 tests. Innovative and inexpensive soil test kit features an easy-to-use capsule system and patented color comparators. Great for beginners and experienced gardeners alike. Soil ph preference list for over 450 plants included. Simple, detailed instructions included. 10 for each of pH, N, P and K. Quick, at home results for Soil pH, Nitrogen, Phosphrous and Potash.
BrandLuster Leaf #ad
ManufacturerLuster Leaf #ad
Height9 Inches
Length9 Inches
Weight0.25 Pounds
Width2 Inches
Part Number1601
Model1601
Warranty30 Days and Manufacturer

2. Luster Leaf

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P and K, N, 1, Luster Leaf 1605 Digital Soil Test Kit for pH

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Luster Leaf #ad - Performs 25 tests: 10 for pH and 5 each for Nitrogen, Phosphorus and Potash. Booklet has fertilizer guidelines based on nitrogen, phosphorus and potash test results. Includes ph preferences for over 450 plants and how to adjust soil pH. Just push test button to get results in a few seconds. Reads test colors utilizing advanced LED digital technology.
BrandLuster Leaf #ad
ManufacturerLuster Leaf #ad
Height12.2 Inches
Length1.54 Inches
Weight100 Grams
Width5.83 Inches
Part NumberLL01605
Model1605

3. LaMotte

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LaMotte N-P-K Soil Test Kit

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LaMotte #ad - Does not come with a soil pH test, only tests for N-P-K. Specifically designed to meet The GLOBE Global Learning and Observations to Benefit the Environment Program standards. Each kit includes the necessary apparatus, simple diagrammed instructions, and laminated color chart. 50 safe, easy, hands-on tests for nitrogen, phosphorus, and potassium using nonhazardous TesTab.
BrandLaMotte #ad
ManufacturerLaMotte #ad
Weight0.01 Pounds
Part Number5880-6

4. Environmental Concepts

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Environmental Concepts 1663 Professional Soil Test Kit with 80 Tests

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Environmental Concepts #ad - Tips for gardening and altering soil conditions included. Contains components for 80 tests. Simple and detailed instructions included. Comes with sturdy plastic case. Ph preference list for hundreds of plants included. 20 each for soil pH, N, P and K.
BrandEnvironmental Concepts #ad
ManufacturerLuster Leaf #ad
Height9 Inches
Length8.25 Inches
Weight1 Pounds
Width1.25 Inches
Part Number1663
Model1663

5. Luster Leaf

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Luster Leaf 1662 Professional Soil Test Kit with 40 Tests

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Luster Leaf #ad - Packed in sturdy plastic carrying case. Professional/Classroom Soil Test Kits. Low cost soil testing. Quickly and accurately test soils. Includes comprehensive instructional booklet.
BrandLuster Leaf #ad
ManufacturerLuster Leaf #ad
Height2 Inches
Length2 Inches
Weight0.85 Pounds
Width2 Inches
Part Number1662
Model1662

6. Luster Leaf

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Luster Leaf Pack of 3 Rapitest Soil Testers

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Luster Leaf #ad - Economical soil test kit for testing soil pH, Nitrogen N, Phosphorus P and Potash K. 3 pack luster Leaf Rapitest Soil Tester. Contains 10 total tests: 4 for ph and 2 for each of N, P and K along with color coded test tubes. Simple, fast, and accurate results; no experience required to perform tests.
BrandLuster Leaf #ad
ManufacturerLuster Leaf Products Inc #ad
Height0.6 Inches
Length8.7 Inches
Weight0.2 Pounds
Width4.4 Inches
Part Number1609CS

7. GuideLine Pro

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OnSite NPK Grass Soil Test Kit by Lawn Command | Quickly Measures Nitrogen Phosphorus Potassium Levels for a Lush Green Lawn

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GuideLine Pro #ad - Saves money - stop tossing random fertilizers on your lawn. Efficiently maximize healthy vibrant grass growth. Wasting money. Reduce hindering lawn disease. Precisely identifying the most efficient fertilizers and corrections for your soil.

Let your lawn thrive - discover lawn commands onsite grass soil test kit. Achieve amazing results - provide your lawn with exaCTLY what it needs. Healthy lawn! immediate onsite readings - no need to mail soil samples for evaluation. You are now listening to what your lawn actually needs! Rather than piling unnecessary or harmful fertilizers on it. Onsite in minutes. Grow a lush. Get consistent deeper green grass.

Potentially over saturating your yard with the wrong nutrients. Command your lawn. Then match your results color to the chart. Immediately identify your NPK levels and let your lawn tell you what it needs! Follow the included chart for recommendations. Extremely easy to use - simply mix your soil with with water. Test your lawns npk levels in real-TIME! Know EXACTLY what your lawn needs.
BrandGuideLine Pro #ad
ManufacturerGuideLine Pro #ad

8. sixia

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Portable and Instantly, and Accuracy pH Meter for Water by Sixia, pH Tester Digital – Combo with TDS Meter Digital Water Tester

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sixia #ad - Especially when going out for camping, you can bring it conveniently and test the pH of drinking water in different places, also can be used for scientific research. Ph tester digital: the tds water tester include ec, conductivity 0~9999 us/cm, accuracy ±2%. 4 display modes,press “shift” button,tds - ppm & °c, tds - ppm & °c, tds meter digital water tester rangs 0~9999ppm, TDS and Temp function is 3 in 1 ergonomically designed tester meter, EC - µs/cm & °F, EC - µs/cm & °F.

Ph meter digital detection filtration system: accurate ph tester digital can make you better judge whether the water is corrosive, too acid or alkaline water may damage your swimming pool filtration system. Easy to use: just turn on the ph water tester and tds meter digital and gently stir the water to test the purity and ph value of the drinking water, the product also adds a backlight function, And monitor whether the reverse osmosis system achieves the best performance.

Ph tester digital with LCD display, you can see the test data more directly. Higt accurate and quick reading: the ph tester digital for drinking water highly accurate for measuring range of 0-14 PH, measure and display pH result simultaneously with LCD diplay, 01 ph resolution, reliable and quick reading. Water testing for outdoor caping:the ph tester digital is small in size and easy to use.
Brandsixia #ad
Manufacturersixia #ad
Part Numbersixia244