{"title":"For Home \u0026 Citizen Science","description":"\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eReliable Results at Home\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003eSimple, accurate nitrate testing for your well, garden, lawn, aquarium, or community project. Our home kits are simplified versions of NECi’s validated laboratory methods, with pre-measured reagents and the calculations done for you. Non-toxic and trusted since 1993.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eNo instrument needed. Results are read by eye against the color chart. The water kit comes in two ranges: Standard Range (0.5–10 ppm nitrate-N) for wells, drinking water, and freshwater aquariums and aquaculture, and Low Range (0.1–2.0 ppm nitrate-N) for ambient, unimpaired streams, lakes, and groundwater. \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003ePrivate wells aren’t covered by federal testing requirements, so regular testing is up to the owner. These kits are for screening and monitoring. Use a certified lab for compliance or real estate testing.\u003c\/p\u003e","products":[{"product_id":"water-nitrate-test-kit","title":"Water Nitrate Test Kit","description":"\u003ch2\u003eFast, Reliable Nitrate Testing for Any Water Source\u003c\/h2\u003e\n\u003cp\u003eGet reliable nitrate testing results in the field — in just 30 minutes. This professional water nitrate test kit is designed for environmental monitoring, agriculture, and water quality assessment without the wait or cost of laboratory analysis. Non-toxic kit contents ensure safety for humans and the environment. No special training or equipment needed.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWell water, drinking water, agricultural water, pond water\u003c\/li\u003e\n\u003cli\u003eStreams, lakes, rivers, oceans, wetlands, and environmental watersheds\u003c\/li\u003e\n\u003cli\u003eWastewater and industrial effluent\u003c\/li\u003e\n\u003cli\u003eAquarium, hydroponic, aquaculture, and aquaponic water (Please \u003ca href=\"\/pages\/contact\" title=\"Contact Us\" rel=\"noopener\" target=\"_blank\"\u003econtact us\u003c\/a\u003e if a different range of nitrate detection is required other than what is offered.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKit Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Range (0.1 - 2.0 ppm Nitrate-N)\u003c\/strong\u003e — For ambient, unimpaired environmental water sources\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Range (0.5 - 10.0 ppm Nitrate-N)\u003c\/strong\u003e — For drinking water, well water, agricultural runoff, and other water types\u003c\/li\u003e\n\u003cli\u003eResults in 30 minutes\u003c\/li\u003e\n\u003cli\u003eOn-site testing - no laboratory required\u003c\/li\u003e\n\u003cli\u003eEasy to use - no special training needed\u003c\/li\u003e\n\u003cli\u003eEnvironmentally benign\u003c\/li\u003e\n\u003cli\u003eMeasures nitrate in both fresh and salt water\u003c\/li\u003e\n\u003cli\u003eShelf life: dated 6 months; enzyme packs typically stay stable well beyond that when stored below 22°C (72°F). \u003ca href=\"https:\/\/nitrate.com\/pages\/faq-test-kit-storage-stability\" title=\"FAQ Test Kit Storage and Stability\"\u003eStorage details\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose Your Range\u003c\/h2\u003e\n\u003cp\u003eNitrate is reported in different units depending on your field of use and where you live.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; border: 1px solid rgb(0, 0, 0); padding: 8px;\"\u003e\u003cstrong\u003eNTK Field Water Kits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 20%; border: 1px solid rgb(0, 0, 0); padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eppm Nitrate-N\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 20%; border: 1px solid rgb(0, 0, 0); padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eppm Nitrate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 20%; border: 1px solid rgb(0, 0, 0); padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eµM Nitrate\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; border: 1px solid rgb(0, 0, 0); padding: 8px;\"\u003e\u003cstrong\u003eLow Range Kit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 20%; border: 1px solid rgb(0, 0, 0); padding: 8px; text-align: center;\"\u003e\u003cstrong\u003e0.1 - 2.0\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 20%; border: 1px solid rgb(0, 0, 0); padding: 8px; text-align: center;\"\u003e\u003cstrong\u003e0.4 - 8.8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 20%; border: 1px solid rgb(0, 0, 0); padding: 8px; text-align: center;\"\u003e\u003cstrong\u003e7.2 - 142.8\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; border: 1px solid rgb(0, 0, 0); padding: 8px;\"\u003e\u003cstrong\u003eStandard Range Kit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 20%; border: 1px solid rgb(0, 0, 0); padding: 8px; text-align: center;\"\u003e\u003cstrong\u003e0.5 - 10.0\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 20%; border: 1px solid rgb(0, 0, 0); padding: 8px; text-align: center;\"\u003e\u003cstrong\u003e2.0 - 44\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 20%; border: 1px solid rgb(0, 0, 0); padding: 8px; text-align: center;\"\u003e\u003cstrong\u003e36 - 714\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollect Samples:\u003c\/strong\u003e Collect your water samples directly into the sample collection tubes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix \u0026amp; React:\u003c\/strong\u003e Add buffer and a small amount of each sample to the prepared cuvettes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevelop Color:\u003c\/strong\u003e Add color reagent and wait for the reaction to complete.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead Results:\u003c\/strong\u003e Compare color to chart or use optional photometer for precise readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKit Options\u003c\/h2\u003e\n\u003cp\u003eChoose from kits for nitrate analysis of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5 samples\u003c\/li\u003e\n\u003cli\u003e10 samples\u003c\/li\u003e\n\u003cli\u003e25 samples\u003c\/li\u003e\n\u003cli\u003e50 samples\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMaterials You Will Need\u003c\/h2\u003e\n\u003cp\u003eNo special equipment needed. Kit includes everything required to test. A pair of scissors is helpful for opening reagent packaging.\u003c\/p\u003e\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCardboard Cuvette Holder(s)\u003c\/li\u003e\n\u003cli\u003eSample Collection Tubes\u003c\/li\u003e\n\u003cli\u003eReaction Cuvettes (contain enzyme)\u003c\/li\u003e\n\u003cli\u003eSqueeze Bulbs or Aliquots of Buffer\u003c\/li\u003e\n\u003cli\u003ePipettes\u003c\/li\u003e\n\u003cli\u003eSnap Cap Tubes of Color Reagent\u003c\/li\u003e\n\u003cli\u003eSnap Cap Tube of Nitrate Standard\u003c\/li\u003e\n\u003cli\u003eSet of Instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOptional Upgrades for Enhanced Accuracy\u003c\/h2\u003e\n\u003cp\u003eWhile the kit includes everything you need for visual color matching, you have two optional tools to make reading results even easier:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGaiaXus Handheld Photometer (Optional)\u003c\/strong\u003e\u003cbr\u003eFor digital precision and data tracking, the \u003ca rel=\"noopener\" title=\"GaiaXus handheld photometer\" href=\"https:\/\/gaiaxus.com\/products\/gaiaxus-photometer\/\" target=\"_blank\"\u003eGaiaXus photometer\u003c\/a\u003e pairs seamlessly with our kits and connects to the \u003ca rel=\"noopener\" title=\"GaiaXus Android app\" href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.gaiaxus\" target=\"_blank\"\u003eGaiaXus Android app\u003c\/a\u003e or \u003ca rel=\"noopener\" title=\"GaiaXus iPhone app\" href=\"https:\/\/apps.apple.com\/us\/app\/gaiaxus\/id6748620502\" target=\"_blank\"\u003eGaiaXus iPhone app\u003c\/a\u003e for easy result logging. This eliminates guesswork by providing exact numerical readings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFree Nitrate Color Slider Web App (Optional)\u003c\/strong\u003e\u003cbr\u003eUse our free web app for easier visual color matching. Instead of using the printed color chart, match your sample color on screen for more precise readings. No download needed - simply visit \u003ca href=\"https:\/\/app.nitrate.com\/\" title=\"Nitrate Color Slider App\" target=\"_blank\"\u003eNitrate Color Slider App\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eOrdering Information\u003c\/h2\u003e\n\u003cp\u003eCustomers in the United States and Canada can order directly through our website. \u003ca href=\"\/pages\/contact\" title=\"Contact Us\" rel=\"noopener\" target=\"_blank\"\u003eContact us\u003c\/a\u003e for bulk quantity discounts, wholesale orders, or shipping quotes to other countries.\u003c\/p\u003e\n\u003ch2\u003eResources \u0026amp; Downloads\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/NTK-WSR_instructions.pdf?v=1794515987\" title=\"Nitrate Test Kit - Water - Standard Range Instructions\" rel=\"noopener\" target=\"_blank\"\u003eStandard Range Water Nitrate Test Kit Instructions\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Nitrate Test Kit - Water - Low Range Instructions\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/NTK-WLR_instructions.pdf?v=1794520867\" target=\"_blank\"\u003eLow Range Water Nitrate Test Kit Instructions\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/NTK_Data_Sheet_for_Water_Kits.pdf\" title=\"Data Sheet for Water Nitrate Test Kits\" rel=\"noopener\" target=\"_blank\"\u003eData Sheet for Water Nitrate Test Kits\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"SDS (Safety Data Sheet) for Nitrate Test Kits\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/Nitrate_Test_Kits_SDS.pdf\" target=\"_blank\"\u003eSDS (Safety Data Sheet) for Nitrate Test Kits\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca title=\"Livestock Drinking Water Nitrate Toxicity Chart\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/Livestock_Water_Nitrate_Toxicity_Chart.pdf\" target=\"_blank\"\u003eLivestock Water Toxicity Chart\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/faq-test-kit-storage-stability\" title=\"FAQ: Test Kit Storage and Stability\"\u003eFAQ: Test Kit Storage \u0026amp; Stability\u003c\/a\u003e\u003c\/p\u003e","brand":"NECi","offers":[{"title":"5 Pack \/ Low Range: 0.1-2.0 ppm Nitrate-N","offer_id":53132858786156,"sku":"NTK-WLR-05","price":45.0,"currency_code":"USD","in_stock":true},{"title":"5 Pack \/ Standard Range: 0.5-10.0 ppm Nitrate-N","offer_id":53132931629420,"sku":"NTK-WSR-05","price":45.0,"currency_code":"USD","in_stock":true},{"title":"10 Pack \/ Low Range: 0.1-2.0 ppm Nitrate-N","offer_id":53132858818924,"sku":"NTK-WLR-10","price":80.0,"currency_code":"USD","in_stock":true},{"title":"10 Pack \/ Standard Range: 0.5-10.0 ppm Nitrate-N","offer_id":53132931662188,"sku":"NTK-WSR-10","price":80.0,"currency_code":"USD","in_stock":true},{"title":"25 Pack \/ Low Range: 0.1-2.0 ppm Nitrate-N","offer_id":53132858851692,"sku":"NTK-WLR-25","price":165.0,"currency_code":"USD","in_stock":true},{"title":"25 Pack \/ Standard Range: 0.5-10.0 ppm Nitrate-N","offer_id":53132931694956,"sku":"NTK-WSR-25","price":165.0,"currency_code":"USD","in_stock":true},{"title":"50 Pack \/ Low Range: 0.1-2.0 ppm Nitrate-N","offer_id":53132858884460,"sku":"NTK-WLR-50","price":305.0,"currency_code":"USD","in_stock":true},{"title":"50 Pack \/ Standard Range: 0.5-10.0 ppm Nitrate-N","offer_id":53132931727724,"sku":"NTK-WSR-50","price":305.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/NTK-WSR-05.jpg?v=1773772767"},{"product_id":"soil-nitrate-test-kit","title":"Soil Nitrate Test Kit","description":"\u003ch2\u003eOptimize Fertilizer Application for Maximum Yield\u003c\/h2\u003e\n\u003cp\u003eNECi's Soil Nitrate Test Kit delivers quick, reliable on-site pre-sidedress nitrate testing — no lab training or equipment required. Accurate soil nitrate data helps you apply the right amount of fertilizer for maximum crop yield, reduce input costs, meet nutrient management planning (NMP) requirements, and prevent groundwater nitrate runoff.\u003c\/p\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: right;\" alt=\"A close-up of hands holding green leafy plants next to small clear plastic vials with pink liquid, with a printed NECI data sheet visible in a tray below.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/on-site-nitrate-soil-test_480x480.jpg?v=1784130296\"\u003e\u003c\/div\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePre-sidedress soil nitrate testing\u003c\/li\u003e\n\u003cli\u003eNutrient management planning (NMP) compliance\u003c\/li\u003e\n\u003cli\u003eOptimizing fertilizer application\u003c\/li\u003e\n\u003cli\u003ePreventing groundwater nitrate runoff\u003c\/li\u003e\n\u003cli\u003eEnvironmental stewardship\u003c\/li\u003e\n\u003cli\u003eAgricultural research and education\n\u003cdiv style=\"text-align: right;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKit Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Range: 0 - 50 ppm Nitrate-N (50 ppm Nitrate-N = 250 lb N\/acre)\u003c\/li\u003e\n\u003cli\u003eResults in less than one hour\u003c\/li\u003e\n\u003cli\u003eOn-site testing - no laboratory required\u003c\/li\u003e\n\u003cli\u003eEasy to use - no lab training needed\u003c\/li\u003e\n\u003cli\u003eEnvironmentally benign\u003c\/li\u003e\n\u003cli\u003eShelf life: dated 6 months; enzyme packs typically stay stable well beyond that when stored below 22°C (72°F). \u003ca href=\"https:\/\/nitrate.com\/pages\/faq-test-kit-storage-stability\" title=\"FAQ Test Kit Storage and Stability\"\u003eStorage details\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare Samples:\u003c\/strong\u003e Collect soil samples and add to collection tubes with water to extract nitrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix \u0026amp; React:\u003c\/strong\u003e Add buffer and 1 drop of each sample to prepared cuvettes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevelop Color:\u003c\/strong\u003e Add color reagent and wait for the reaction to complete.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead Results:\u003c\/strong\u003e Compare color to chart or use optional photometer for precise readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/collecting-soil-samples-for-nitrate-test-kit_160x160.jpg?v=1784133241\" alt=\"Adding a scoop of soil to a collection vial in a soil nitrate test kit.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/adding-squeeze-bulb-of-buffer_160x160.jpg?v=1784133430\" alt=\"a hand squeezes a dropper bulb of buffer into one of several small plastic containers during a soil nitrate test\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/adding-color-reagent-to-soil-nitrate-tests_160x160.jpg?v=1784133111\" alt=\"A close-up of a hand adding powdered color reagent to one of several small plastic containers.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/compare-soil-nitrate-test-results-to-chart_160x160.jpg?v=1784132917\" alt=\"A close-up of hands holding a small clear plastic sample vial filled with bright pink liquid over an instruction sheet, with several brown soil or sample tubes arranged on a tray outdoors.\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003ch2\u003eKit Options\u003c\/h2\u003e\n\u003cp\u003eChoose from kits for nitrate analysis of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5 samples\u003c\/li\u003e\n\u003cli\u003e10 samples\u003c\/li\u003e\n\u003cli\u003e25 samples\u003c\/li\u003e\n\u003cli\u003e50 samples\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMaterials You Will Need\u003c\/h2\u003e\n\u003cp\u003eAll you need is a pair of scissors, pen, and marker. Kit includes everything else you need to test.\u003c\/p\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/nitrate-soil-testing_480x480.jpg?\" alt=\"\" style=\"float: right;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCardboard Cuvette Holder\u003c\/li\u003e\n\u003cli\u003eSample Collection Tubes (contain water for sample extraction)\u003c\/li\u003e\n\u003cli\u003eSqueeze Bulbs of Buffer\u003c\/li\u003e\n\u003cli\u003eSnap Cap(s) of Nitrate Standard\u003c\/li\u003e\n\u003cli\u003eReaction Cuvettes (contain enzyme)\u003c\/li\u003e\n\u003cli\u003ePipettes\u003c\/li\u003e\n\u003cli\u003eSnap Caps of Color Reagent\u003c\/li\u003e\n\u003cli\u003eLarge Measuring Spoon\u003c\/li\u003e\n\u003cli\u003eSet of Instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOptional Upgrades for Enhanced Accuracy\u003c\/h2\u003e\n\u003cp\u003eWhile the kit includes everything you need for visual color matching, you have two optional tools to make reading results even easier:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGaiaXus Handheld Photometer (Optional)\u003c\/strong\u003e\u003cbr\u003eFor digital precision and data tracking, the \u003ca href=\"https:\/\/gaiaxus.com\/products\/gaiaxus-photometer\/\" title=\"GaiaXus handheld photometer\" rel=\"noopener\" target=\"_blank\"\u003eGaiaXus photometer\u003c\/a\u003e pairs seamlessly with our kits and connects to the \u003ca href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.gaiaxus\" title=\"GaiaXus Android app\" rel=\"noopener\" target=\"_blank\"\u003eGaiaXus Android app\u003c\/a\u003e or \u003ca href=\"https:\/\/apps.apple.com\/us\/app\/gaiaxus\/id6748620502\" title=\"GaiaXus iPhone app\" rel=\"noopener\" target=\"_blank\"\u003eGaiaXus iPhone app\u003c\/a\u003e for easy result logging. This eliminates guesswork by providing exact numerical readings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFree Nitrate Color Slider Web App (Optional)\u003c\/strong\u003e\u003cbr\u003eUse our free web app for easier visual color matching. Instead of using the printed color chart, match your sample color on screen for more precise readings. No download needed - simply visit \u003ca href=\"https:\/\/app.nitrate.com\/\" title=\"Nitrate Color Slider App\" target=\"_blank\"\u003eNitrate Color Slider App\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eOrdering Information\u003c\/h2\u003e\n\u003cp\u003eCustomers in the United States and Canada can order directly through our website. \u003ca href=\"\/pages\/contact\" title=\"Contact Us\" rel=\"noopener\" target=\"_blank\"\u003eContact us\u003c\/a\u003e for bulk quantity discounts, wholesale orders, or shipping quotes to other countries.\u003c\/p\u003e\n\u003ch2\u003eResources \u0026amp; Downloads\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/NTK-S_instructions.pdf\" title=\"Soil Nitrate Test Kit Instructions\" rel=\"noopener\" target=\"_blank\"\u003eSoil Nitrate Test Kit Instructions\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/Drying_Samples_Protocols.pdf\" title=\"Drying Samples to Constant Weight\"\u003eDrying Samples to Constant Weight\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Data Sheet for On-Site Nitrate Test Kits\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/NTK_Data_Sheet_for_DF_GF_P_S.pdf\" target=\"_blank\"\u003eData Sheet for On-Site Nitrate Test Kits\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"SDS for On-Site Nitrate Test Kits\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/Nitrate_Test_Kits_SDS.pdf\" target=\"_blank\"\u003eSDS for On-Site Nitrate Test Kits\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/faq-test-kit-storage-stability\" title=\"FAQ: Test Kit Storage and Stability\"\u003eFAQ: Test Kit Storage \u0026amp; Stability\u003c\/a\u003e\u003c\/p\u003e","brand":"NECi","offers":[{"title":"5 Pack","offer_id":53132859244908,"sku":"NTK-S-05","price":45.0,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":53132859277676,"sku":"NTK-S-10","price":80.0,"currency_code":"USD","in_stock":true},{"title":"25 Pack","offer_id":53132859310444,"sku":"NTK-S-25","price":165.0,"currency_code":"USD","in_stock":true},{"title":"50 Pack","offer_id":53132859343212,"sku":"NTK-S-50","price":305.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/NTK-S-05.jpg?v=1773242878"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/collections\/FTK_full_fa7451cf-cdca-48fd-83c1-a6468a961925.jpg?v=1794510020","url":"https:\/\/nitrate.com\/collections\/home-and-citizen-science.oembed","provider":"NECi","version":"1.0","type":"link"}