Easily test for nitrates in plants in 30 minutes or less
Quick nitrate test kits for plants that can eliminate the hassles, time and expense of sending samples to a lab. Includes everything you need to test nitrate levels, including a standard to compare to the color of your individual samples. Find out if your plants need additional nitrogen fertilizer or if they are ready to harvest by a change in nitrate levels. Any leaf, stalk or root can be tested. A garlic press or clean pliers is required to extract sap. Testing range is 0–1,000 ppm and standard is 500 ppm nitrate-N. Five-Test Kit includes one standard, and 25-Test Kit includes five standards. Includes instructions. USA made.
NOTE: 1 ppm nitrate-N = 4.4 ppm nitrate.
Specify number of tests from drop-down menu above.