{"title":"Best Sellers","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eOur top-rated pH meters offer precise and reliable measurements for a wide range of applications. Whether you're testing water quality, soil acidity, or hydroponic solutions, our pH meters deliver accurate results every time. With features like automatic temperature compensation, multiple calibration points, and durable construction, our pH meters are the perfect choice for both professionals and home users.\u003c\/p\u003e","products":[{"product_id":"6-in-1-ph-soil-tester","title":"6 in 1 pH Soil Tester with EC and Calibration | Yieryi","description":"\u003cstyle\u003e\n.yieryi-desc table{border-collapse:collapse;width:100%;margin:1em 0}\n.yieryi-desc th,.yieryi-desc td{border:1px solid #ddd;padding:8px;text-align:left;vertical-align:top}\n.yieryi-desc th{background:#f6f6f6}\n.yieryi-desc h2{margin-top:1.4em}\n\u003c\/style\u003e\n\u003cdiv class=\"yieryi-desc\"\u003e\n\u003cp\u003eThis 6-in-1 soil tester reads soil pH, EC, moisture, fertility, light, and temperature on one backlit screen, so you get a rounded read on your soil from a single probe. Push it into moist soil and the display shows pH, EC in mS, temperature, and fertility at once, with light and moisture indicators.\u003c\/p\u003e\n\u003cp\u003eWhat sets this one apart from most 6-in-1 meters is a calibration button. The pH, EC, moisture, and temperature are measured directly, and because you can calibrate the pH against a known reference, its pH read is more trustworthy than fixed, factory-only meters. The fertility figure is a \u003cstrong\u003edirectional gauge\u003c\/strong\u003e based on conductivity—useful for spotting thin or salty soil, not an exact nutrient number.\u003c\/p\u003e\n\u003ch2\u003eHow to read it\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003epH\u003c\/strong\u003e — aim for 6.0 to 7.0 for most plants; calibrate first for the most reliable read. See our full range of \u003ca href=\"\/collections\/soil-ph-testing\"\u003esoil pH meters\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEC\u003c\/strong\u003e — shown in mS; rising EC means salt is building up. For a dedicated, precise EC read, use our \u003ca href=\"\/products\/soil-ec-meter-conductivity-tester\"\u003esoil EC meter\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMoisture\u003c\/strong\u003e — water when dry, hold off when wet.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFertility and light\u003c\/strong\u003e — a directional fertility gauge, plus a light check for the spot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWant actual N, P, K trends instead of overall fertility? See our \u003ca href=\"\/products\/npk-soil-tester\"\u003eNPK soil tester\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhy Yieryi\u003c\/h2\u003e\n\u003cp\u003eYieryi has built pH, EC, and TDS meters for more than ten years. A 6-in-1 trades a little precision for convenience; the calibration button narrows that gap on pH, and we are honest about which readings are measured and which are a directional guide.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan I calibrate it?\u003c\/strong\u003e\u003cbr\u003eYes—it has a CAL button, so you can calibrate the pH against a known reference for a more reliable read. It comes factory-calibrated, so recalibration is optional and only needed for extra precision.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the fertility reading show NPK?\u003c\/strong\u003e\u003cbr\u003eNo—it shows overall fertility as a conductivity-based direction, not individual N, P, or K.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need an app or batteries?\u003c\/strong\u003e\u003cbr\u003eNo app—it reads on its own LCD. It runs on AAA batteries.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Yieryi Meter","offers":[{"title":"Default Title","offer_id":51164091580584,"sku":"YY-1088","price":56.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1988\/7016\/files\/YY-1088-2.jpg?v=1740667764"},{"product_id":"npk-soil-tester","title":"NPK Soil Tester Meter for Plants | Yieryi","description":"\u003cstyle\u003e\n.yieryi-desc table{border-collapse:collapse;width:100%;margin:1em 0}\n.yieryi-desc th,.yieryi-desc td{border:1px solid #ddd;padding:8px;text-align:left;vertical-align:top}\n.yieryi-desc th{background:#f6f6f6}\n.yieryi-desc h2{margin-top:1.4em}\n\u003c\/style\u003e\n\u003cdiv class=\"yieryi-desc\"\u003e\n\u003cp\u003eAn NPK soil tester reads the three nutrients plants need most—nitrogen (N), phosphorus (P), and potassium (K)—plus soil temperature. This one gives you those readings in seconds from a dual-needle probe, so you can tell whether it is time to feed or hold off, without mailing a sample to a lab.\u003c\/p\u003e\n\u003cp\u003eRead it as a trend tool. The N, P, and K figures are a \u003cstrong\u003edirectional reference\u003c\/strong\u003e, not a lab measurement—useful for spotting when a nutrient runs low and tracking how your soil changes after you feed. For exact numbers you would send a sample to a lab; for \"is my soil getting hungry,\" this is faster and repeatable.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eNot sure how to read the three figures? Our guide to \u003ca href=\"https:\/\/www.yieryi.com\/blogs\/news\/what-do-npk-numbers-mean\" target=\"_blank\" title=\"what the NPK numbers mean\" rel=\"noopener\"\u003ewhat the NPK numbers mean\u003c\/a\u003e breaks them down.\u003c\/p\u003e\n\u003ch2\u003eWhat N, P, and K do\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrogen (N)\u003c\/strong\u003e drives green, leafy growth. Low N often shows as pale or yellowing older leaves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhosphorus (P)\u003c\/strong\u003e supports roots, flowers, and fruit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotassium (K)\u003c\/strong\u003e builds hardiness—stems, disease resistance, and fruit quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt comes with a reference chart for typical NPK levels, so a reading becomes a decision. It also reads soil temperature.\u003c\/p\u003e\n\u003ch2\u003eWant pH and moisture too?\u003c\/h2\u003e\n\u003cp\u003eThis tool focuses on nutrients. For pH, moisture, and EC in one probe, see our \u003ca href=\"\/products\/8-in-1-npk-soil-sensor-probe-multi-parameter-tester-analyzer\"\u003e8 in 1 soil sensor probe\u003c\/a\u003e (its NPK is estimated the same way). To read salt and nutrient concentration directly, pair it with a \u003ca href=\"\/products\/soil-ec-meter-conductivity-tester\"\u003esoil EC meter\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhy Yieryi\u003c\/h2\u003e\n\u003cp\u003eYieryi comes out of a measurement-instrument factory with more than ten years building pH, EC, and TDS meters. We will tell you straight: a handheld NPK tester is for trends and timing, not lab-grade numbers.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs the NPK reading lab-accurate?\u003c\/strong\u003e\u003cbr\u003eNo—it is a directional reading for tracking trends and timing feeding, not exact lab figures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does it measure?\u003c\/strong\u003e\u003cbr\u003eNitrogen, phosphorus, potassium, and soil temperature, on a backlit LCD, with a reference chart.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need an app or batteries?\u003c\/strong\u003e\u003cbr\u003eNo app—it is standalone, runs on 3 AAA batteries, and shuts off automatically.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Yieryi Meter","offers":[{"title":"Default Title","offer_id":54831185035432,"sku":"YG-09","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1988\/7016\/files\/YG-09_b02ee714-a72f-4ddd-9726-04c81538b80a.jpg?v=1740667707"},{"product_id":"digital-3-in-1-soil-npk-tester-quick-accurate-nutrient-analysis","title":"Digital 3-in-1 Soil NPK Tester – Quick \u0026 Accurate Nutrient Analysis","description":"\u003cp data-start=\"141\" data-end=\"206\"\u003e\u003cstrong data-start=\"141\" data-end=\"204\"\u003eBoost Your Plant Growth with Precise Digital 3-in-1 Soil NPK Tester!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"208\" data-end=\"413\"\u003eOur \u003cstrong data-start=\"212\" data-end=\"242\"\u003e3-in-1 Digital Soil Tester\u003c\/strong\u003e quickly measures \u003cstrong data-start=\"260\" data-end=\"311\"\u003eNitrogen (N), Phosphorus (P), and Potassium (K)\u003c\/strong\u003e levels, helping you optimize soil fertility for \u003cstrong data-start=\"360\" data-end=\"410\"\u003egardening, farming, and greenhouse cultivation\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4 data-start=\"415\" data-end=\"454\"\u003e\u003cstrong data-start=\"420\" data-end=\"452\"\u003eWhy Choose This Soil Tester?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"455\" data-end=\"863\"\u003e✔ \u003cstrong data-start=\"457\" data-end=\"488\"\u003eInstant \u0026amp; Accurate Readings\u003c\/strong\u003e – Quickly check NPK levels to improve soil health.\u003cbr data-start=\"539\" data-end=\"542\"\u003e✔ \u003cstrong data-start=\"544\" data-end=\"565\"\u003eLarge LCD Display\u003c\/strong\u003e – Clear digital readout with \u003cstrong data-start=\"595\" data-end=\"622\"\u003etemperature measurement\u003c\/strong\u003e.\u003cbr data-start=\"623\" data-end=\"626\"\u003e✔ \u003cstrong data-start=\"628\" data-end=\"648\"\u003eWide Application\u003c\/strong\u003e – Ideal for \u003cstrong data-start=\"661\" data-end=\"707\"\u003egardens, farms, nurseries, and greenhouses\u003c\/strong\u003e.\u003cbr data-start=\"708\" data-end=\"711\"\u003e✔ \u003cstrong data-start=\"713\" data-end=\"728\" data-is-only-node=\"\"\u003eEasy to Use\u003c\/strong\u003e – Insert into the soil and get instant results.\u003cbr data-start=\"776\" data-end=\"779\"\u003e✔ \u003cstrong data-start=\"781\" data-end=\"811\"\u003eBattery Powered \u0026amp; Portable\u003c\/strong\u003e – Lightweight design with \u003cstrong data-start=\"838\" data-end=\"860\"\u003eautomatic shut-off\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"865\" data-end=\"998\"\u003e\u003cstrong data-start=\"865\" data-end=\"996\"\u003ePerfect for home gardeners, farmers, and plant lovers! Ensure your crops and plants get the right nutrients for optimal growth.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Yieryi Meter","offers":[{"title":"Default Title","offer_id":51683882238120,"sku":"YG-NPK","price":279.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1988\/7016\/files\/YG-NPK_1172g_34.5X16X9CM_1e593c1c-251c-4881-adcd-0450d4278be8.jpg?v=1741080241"},{"product_id":"3-in-1-digital-soil-tester-npk-temperature-meter","title":"3-in-1 Digital Soil Tester – Soil NPK Meter","description":"\u003cp data-start=\"176\" data-end=\"439\"\u003eGet quick and accurate \u003cstrong data-start=\"199\" data-end=\"250\"\u003eNitrogen (N), Phosphorus (P), and Potassium (K)\u003c\/strong\u003e readings with this \u003cstrong data-start=\"270\" data-end=\"300\"\u003e3-in-1 Digital Soil Tester\u003c\/strong\u003e. Designed for \u003cstrong data-start=\"315\" data-end=\"361\"\u003egardeners, farmers, and greenhouse growers\u003c\/strong\u003e, it helps you monitor soil fertility for healthier, more productive plants.\u003c\/p\u003e\n\u003ch4 data-start=\"441\" data-end=\"465\"\u003e\u003cstrong data-start=\"446\" data-end=\"463\"\u003eKey Features:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"466\" data-end=\"869\"\u003e✔ \u003cstrong data-start=\"468\" data-end=\"509\"\u003eInstant NPK Measurement\u003c\/strong\u003e – Ensures precise soil analysis.\u003cbr data-start=\"542\" data-end=\"545\"\u003e✔ \u003cstrong data-start=\"547\" data-end=\"575\"\u003eEasy-to-Read LCD Display\u003c\/strong\u003e – Clear digital readings for quick decision-making.\u003cbr data-start=\"627\" data-end=\"630\"\u003e✔ \u003cstrong data-start=\"632\" data-end=\"649\"\u003eVersatile Use\u003c\/strong\u003e – Perfect for \u003cstrong data-start=\"664\" data-end=\"710\"\u003egardens, farms, nurseries, and greenhouses\u003c\/strong\u003e.\u003cbr data-start=\"711\" data-end=\"714\"\u003e✔ \u003cstrong data-start=\"716\" data-end=\"733\"\u003eUser-Friendly\u003c\/strong\u003e – Simple operation with \u003cstrong data-start=\"758\" data-end=\"775\" data-is-only-node=\"\"\u003eauto shut-off\u003c\/strong\u003e for battery saving.\u003cbr data-start=\"795\" data-end=\"798\"\u003e✔ \u003cstrong data-start=\"800\" data-end=\"822\"\u003eDurable \u0026amp; Portable\u003c\/strong\u003e – Compact design for on-the-go soil testing.\u003c\/p\u003e\n\u003cp data-start=\"871\" data-end=\"953\"\u003e\u003cstrong data-start=\"871\" data-end=\"951\"\u003eTake control of your soil’s nutrient levels and maximize plant health today!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Yieryi Meter","offers":[{"title":"Default Title","offer_id":51684855513256,"sku":"YG-NPK-B","price":256.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1988\/7016\/files\/1_e6469229-6d89-465e-af47-795c9400b891.jpg?v=1741087410"},{"product_id":"drip-irrigation-kit-automatic-garden-watering-system","title":"Drip Irrigation Kit Automatic Garden Watering System","description":"\u003cp\u003eUpgrade your garden watering efficiency with this Drip Irrigation Kit, the perfect solution for home gardeners, urban vegetable growers, and greenhouse plant enthusiasts seeking water-saving, automated irrigation systems. Designed with a quick-connect system, this 243FT kit includes 1\/2\" main tubing, 1\/4\" distribution lines, adjustable vortex and stream emitters, and fine mist nozzles—allowing precision watering for everything from raised beds and potted plants to flower gardens, vegetable patches, and hanging baskets.\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking for a DIY garden watering system, automatic plant watering system, or a micro drip irrigation solution, this all-in-one kit provides customizable flow control to suit different plant needs—drip, medium, or full spray. The UV-resistant, anti-aging PVC material ensures long-term durability even under intense sun exposure.\u003c\/p\u003e","brand":"Yieryi Meter","offers":[{"title":"Default Title","offer_id":52628645839016,"sku":"YG-Z001","price":29.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1988\/7016\/files\/DripIrrigationKit.jpg?v=1747819399"},{"product_id":"8-in-1-npk-soil-sensor-probe-multi-parameter-tester-analyzer","title":"8 in 1 NPK Soil Sensor Probe | Yieryi","description":"\u003cdiv class=\"yieryi-spec\"\u003e\n\u003ctable\u003e\u003ctbody\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMeasures\u003c\/td\u003e\n\u003ctd\u003eTemperature, moisture, pH, EC, salinity, N, P, K (8 parameters)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSoil temperature range\u003c\/td\u003e\n\u003ctd\u003e−40°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMoisture range\u003c\/td\u003e\n\u003ctd\u003e0–100%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003epH range\u003c\/td\u003e\n\u003ctd\u003e3–10 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eEC range\u003c\/td\u003e\n\u003ctd\u003e0–20000 µS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSalinity range\u003c\/td\u003e\n\u003ctd\u003e0–20000 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eN \/ P \/ K range\u003c\/td\u003e\n\u003ctd\u003e0–1999 mg\/kg each, estimated from conductivity (directional)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eUSB to Android \/ HarmonyOS phone, app monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAccuracy (pH \/ EC)\u003c\/td\u003e\n\u003ctd\u003epH ±0.2; EC ±3%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWater resistance\u003c\/td\u003e\n\u003ctd\u003eIP68, safe for continuous soil insertion\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003eDC 5V via USB (phone or USB power source), max 0.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Yieryi Meter","offers":[{"title":"Default Title","offer_id":53663772082344,"sku":"THE01888S","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1988\/7016\/files\/1_11bc4e9f-d095-4f21-a831-c6b5f85f5074.jpg?v=1778061915"},{"product_id":"5-in-1-hydroponics-water-quality-tester-ph-ec-tds-salinity-temp","title":"5-in-1 Hydroponics Water Quality Tester pH EC TDS Salinity Temp","description":"\u003cp data-start=\"339\" data-end=\"484\"\u003eGrow healthier plants with precision using this \u003cstrong data-start=\"387\" data-end=\"430\"\u003e5-in-1 Hydroponics Water Quality Tester\u003c\/strong\u003e, designed to simplify nutrient solution monitoring.\u003c\/p\u003e\n\u003cul data-start=\"486\" data-end=\"1039\"\u003e\n\u003cli data-start=\"486\" data-end=\"592\"\u003e\n\u003cp data-start=\"488\" data-end=\"592\"\u003e\u003cstrong data-start=\"488\" data-end=\"512\"\u003eComplete Monitoring:\u003c\/strong\u003e Accurately measures \u003cstrong data-start=\"533\" data-end=\"575\"\u003epH, EC, TDS, salinity, and temperature\u003c\/strong\u003e in one device.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"593\" data-end=\"715\"\u003e\n\u003cp data-start=\"595\" data-end=\"715\"\u003e\u003cstrong data-start=\"595\" data-end=\"625\"\u003eEssential for Hydroponics:\u003c\/strong\u003e Helps balance nutrient solutions, ensuring stronger root development and faster growth.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"716\" data-end=\"804\"\u003e\n\u003cp data-start=\"718\" data-end=\"804\"\u003e\u003cstrong data-start=\"718\" data-end=\"738\"\u003eFast \u0026amp; Accurate:\u003c\/strong\u003e High-sensitivity probes deliver stable readings within seconds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"805\" data-end=\"908\"\u003e\n\u003cp data-start=\"807\" data-end=\"908\"\u003e\u003cstrong data-start=\"807\" data-end=\"823\"\u003eEasy to Use:\u003c\/strong\u003e Large backlit LCD, one-button switching, °C\/°F conversion, and data hold function.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"909\" data-end=\"1039\"\u003e\n\u003cp data-start=\"911\" data-end=\"1039\"\u003e\u003cstrong data-start=\"911\" data-end=\"938\"\u003eVersatile Applications:\u003c\/strong\u003e Ideal for \u003cstrong data-start=\"949\" data-end=\"1036\"\u003ehydroponic systems, NFT, DWC, aquaponics, greenhouses, and irrigation water testing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1041\" data-end=\"1173\"\u003ePerfect for hydroponic growers, indoor gardeners, and greenhouse farmers who want to \u003cstrong data-start=\"1126\" data-end=\"1170\"\u003eoptimize plant health and maximize yield\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Yieryi Meter","offers":[{"title":"Default Title","offer_id":53697629126824,"sku":"YY-1090","price":52.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1988\/7016\/files\/3_ec12f646-531c-4630-b321-d19a8bafe330.jpg?v=1757066300"},{"product_id":"7-in-1-hydroponic-water-quality-meter-ph-ec-tds-salt-temperature-tester","title":"7-in-1 Hydroponic Water Quality Meter – pH, EC, TDS, Salt, Temperature Tester","description":"\u003cp data-start=\"274\" data-end=\"608\"\u003eThis advanced 7-in-1 Water Quality Meter is perfect for hydroponic growers, gardeners, and aquarium owners who need precise readings to maintain healthy plants and environments. With the ability to test pH, TDS, EC, ORP, salt, temperature, and fertility, it provides everything you need to ensure your water conditions are just right.\u003c\/p\u003e\n\u003cul data-start=\"610\" data-end=\"1278\"\u003e\n\u003cli data-start=\"610\" data-end=\"757\"\u003e\n\u003cp data-start=\"612\" data-end=\"757\"\u003e\u003cstrong data-start=\"612\" data-end=\"637\"\u003eComprehensive Testing\u003c\/strong\u003e: Measure pH (0–14), TDS (0–10000ppm), EC (0–10000 µS\/cm), ORP, salt, temperature (0–60°C), and fertility in one device.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"758\" data-end=\"870\"\u003e\n\u003cp data-start=\"760\" data-end=\"870\"\u003e\u003cstrong data-start=\"760\" data-end=\"777\"\u003eUser-Friendly\u003c\/strong\u003e: Simple operation with an instant reading display and auto shut-off feature for convenience.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"871\" data-end=\"977\"\u003e\n\u003cp data-start=\"873\" data-end=\"977\"\u003e\u003cstrong data-start=\"873\" data-end=\"895\"\u003eDurable \u0026amp; Accurate\u003c\/strong\u003e: Designed with a replaceable probe and highly accurate sensors for long-term use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"978\" data-end=\"1095\"\u003e\n\u003cp data-start=\"980\" data-end=\"1095\"\u003e\u003cstrong data-start=\"980\" data-end=\"1002\"\u003eWide Compatibility\u003c\/strong\u003e: Perfect for different hydroponic systems like DWC, NFT, drip systems, aeroponics, and more.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1096\" data-end=\"1278\"\u003e\n\u003cp data-start=\"1098\" data-end=\"1278\"\u003e\u003cstrong data-start=\"1098\" data-end=\"1146\"\u003eIdeal for Hydroponic \u0026amp; Gardening Enthusiasts\u003c\/strong\u003e: A must-have tool for anyone managing water quality in plants, ensuring they thrive with balanced nutrients and optimal conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1280\" data-end=\"1463\"\u003eWhether you're growing leafy greens, herbs, or setting up an aquarium, this tool will help you achieve the best possible results by constantly monitoring your water quality with ease.\u003c\/p\u003e","brand":"Yieryi Meter","offers":[{"title":"Default Title","offer_id":54478952267944,"sku":"YY-1101","price":51.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1988\/7016\/files\/1_3838c97b-57c1-42d1-b36d-9ec28f2ed222.jpg?v=1763029051"},{"product_id":"7-in-1-pool-water-tester-ph-orp-salt-tds-ec-temp-meter","title":"7-in-1 Pool Water Tester pH ORP Salt TDS EC Temp Meter","description":"\u003cp\u003e7-in-1 testing: Measures pH, ORP, Salt, EC, TDS, Specific Gravity (S.G.), and Temperature for a clearer picture of water quality.\u003c\/p\u003e\n\u003cp\u003eFast, easy readings: Dip, wait a few seconds, and read the results—no messy strips or guesswork.\u003c\/p\u003e\n\u003cp\u003eClear backlit screen: Large display is easy to read day or night (great for quick checks before a swim).\u003c\/p\u003e\n\u003cp\u003eUpgraded probe design: Built for reliable measurements and better protection during use and storage.\u003c\/p\u003e\n\u003cp\u003eCalibration-friendly: Designed for easy calibration ( include pH \u0026amp; ORP calibration powders).\u003c\/p\u003e","brand":"Yieryi Meter","offers":[{"title":"Default Title","offer_id":55096669470888,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1988\/7016\/files\/7-in-1PoolWaterTester.jpg?v=1767602101"},{"product_id":"4-zone-solar-wifi-smart-water-timer","title":"4-Zone Solar WiFi Smart Water Timer","description":"\u003cp data-path-to-node=\"8\"\u003eStop worrying about your lawn or greenhouse while you’re at work or on vacation.\u003cbr\u003e\u003cbr\u003eThe \u003cb data-index-in-node=\"118\" data-path-to-node=\"8\"\u003eSolar-Powered WiFi 4-Way Water Valve\u003c\/b\u003e gives you total control over your garden’s hydration directly from your smartphone.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9\"\u003eKey Benefits:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,0,0\"\u003e4-Zone Independence:\u003c\/b\u003e Manage four different garden areas (lawn, vegetables, flower beds, and pots) with individual schedules from a single faucet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,1,0\"\u003eEco-Friendly Solar Power:\u003c\/b\u003e The integrated solar panel keeps the built-in battery charged year-round. For shaded areas, simply use the Type-C backup charging port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,2,0\"\u003eSmart Rain Delay:\u003c\/b\u003e Don't waste water when nature provides it. The built-in sensor automatically pauses your watering plan on rainy days and resumes once it's dry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,3,0\"\u003eBuilt to Last:\u003c\/b\u003e With an IPX6 waterproof rating and a 360° rotatable inlet filter, this controller is engineered for rugged outdoor performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,4,0\"\u003eSeamless App Integration:\u003c\/b\u003e Use the Tuya\/Smart Life app to set complex timers, track watering history, or share control with your family.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"11\"\u003eNote:\u003c\/b\u003e Designed for high-performance outdoor use. Requires water pressure of 3kg+ for optimal operation. Store indoors during freezing winter months to prevent frost damage.\u003c\/p\u003e","brand":"Yieryi Meter","offers":[{"title":"US","offer_id":55211140579496,"sku":"YG-344-US","price":118.0,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":55211140612264,"sku":"YG-344","price":118.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1988\/7016\/files\/1_873c044d-2574-4881-9016-caf090b2ee34.jpg?v=1769230634"},{"product_id":"8-in-1-soil-tester-for-plants-with-ph-moisture-and-npk-monitoring","title":"8 in 1 Soil Tester for Plants with NPK | Yieryi","description":"\u003cstyle\u003e\n.yieryi-desc table{border-collapse:collapse;width:100%;margin:1em 0}\n.yieryi-desc th,.yieryi-desc td{border:1px solid #ddd;padding:8px;text-align:left;vertical-align:top}\n.yieryi-desc th{background:#f6f6f6}\n.yieryi-desc h2{margin-top:1.4em}\n\u003c\/style\u003e\n\u003cdiv class=\"yieryi-desc\"\u003e\n\u003cp\u003eThis 8-in-1 soil tester for plants reads pH, moisture, EC, temperature, light, and an NPK estimate, and sends the data to your phone. Unlike USB-only probes, it works with both iPhone and Android, so most gardeners can use it out of the box.\u003c\/p\u003e\n\u003cp\u003eRead it as a screening tool. The pH, moisture, and EC are measured directly, while the \u003cstrong\u003eNPK figures are estimated from conductivity\u003c\/strong\u003e—a useful direction for spotting when a nutrient runs low, not a lab-exact number. We would rather tell you that than let you trust a figure too far.\u003c\/p\u003e\n\u003ch2\u003eHow to use the readings\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH\u003c\/strong\u003e — target 6.0 to 7.0 for most plants; see our \u003ca href=\"\/collections\/soil-ph-testing\"\u003esoil pH meters\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture\u003c\/strong\u003e — water when dry, hold off when wet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC\u003c\/strong\u003e — rising EC means salt is building up; for a precise EC reading use a dedicated \u003ca href=\"\/products\/soil-ec-meter-conductivity-tester\"\u003esoil EC meter\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNPK\u003c\/strong\u003e — read as low, medium, or high trends. If you only need nutrients, our \u003ca href=\"\/products\/npk-soil-tester\"\u003eNPK soil tester\u003c\/a\u003e focuses on that.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Yieryi\u003c\/h2\u003e\n\u003cp\u003eYieryi builds pH, EC, and TDS meters, and has for over ten years. That background is why we are clear about which readings are measured and which are estimated, so you know how far to trust each one.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work with an iPhone?\u003c\/strong\u003e\u003cbr\u003eYes. It connects to iPhone over Bluetooth (the sensor still needs USB power during use) and to Android by direct USB connection. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the NPK reading lab-accurate?\u003c\/strong\u003e\u003cbr\u003eNo—it is estimated from conductivity, meant for tracking trends, not exact nutrient values.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need batteries?\u003c\/strong\u003e\u003cbr\u003eNo—it's powered directly through USB, from your phone or a compatible USB power source.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Yieryi Meter","offers":[{"title":"Default Title","offer_id":55504073228456,"sku":"THE01999P","price":93.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1988\/7016\/files\/NPKsoiltester.jpg?v=1778146309"},{"product_id":"3-zone-smart-wifi-water-timer-rf-gateway","title":"3 Zone Smart WiFi Water Timer with App Control and RF Gateway","description":"\u003ch2 data-section-id=\"1omn1j9\" data-start=\"541\" data-end=\"570\"\u003eSmart Irrigation Made Easy\u003c\/h2\u003e\n\u003cp data-start=\"572\" data-end=\"874\"\u003eTake full control of your garden watering schedule with the \u003cstrong data-start=\"632\" data-end=\"665\"\u003e3 Zone Smart WiFi Water Timer\u003c\/strong\u003e. Designed for lawns, gardens, greenhouses, flower beds, and drip irrigation systems, this intelligent irrigation controller allows you to manage three independent watering zones directly from your smartphone.\u003c\/p\u003e\n\u003cp data-start=\"876\" data-end=\"1103\"\u003eUsing advanced \u003cstrong data-start=\"891\" data-end=\"918\"\u003e433MHz RF communication\u003c\/strong\u003e and a dedicated \u003cstrong data-start=\"935\" data-end=\"951\"\u003eWiFi Gateway\u003c\/strong\u003e, the system provides reliable long-range connectivity up to 300 meters in open areas, ensuring stable control even in large gardens and outdoor spaces.\u003c\/p\u003e","brand":"Yieryi Meter","offers":[{"title":"Default Title","offer_id":55586515779752,"sku":"YG-658","price":105.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1988\/7016\/files\/36911c0904db1d481a24384dac5a57ea_b2a4a052-8fcc-4b33-a237-4b2830a71f0f.jpg?v=1780560994"},{"product_id":"yieryi-9-in-1-digital-soil-tester-with-npk-ph-ec-moisture","title":"YIERYI 9-in-1 Digital Soil Tester with NPK, pH, EC \u0026 Moisture","description":"\u003ch3 data-section-id=\"sr2oh0\" data-start=\"231\" data-end=\"281\" class=\"PDq2pG_selectionAnchorContainer\"\u003eGrow Healthier Plants with Better Soil Knowledge\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"283\" data-end=\"334\"\u003eEvery successful garden starts beneath the surface.\u003c\/p\u003e\n\u003cp data-start=\"336\" data-end=\"645\"\u003eHealthy roots need the right balance of nutrients, moisture, and soil conditions to support strong plant growth. The \u003cstrong data-start=\"453\" data-end=\"490\"\u003eYIERYI 9-in-1 Digital Soil Tester\u003c\/strong\u003e helps you understand what your soil needs by providing accurate measurements of \u003cstrong data-start=\"571\" data-end=\"644\"\u003eNPK nutrients, pH, EC, moisture, temperature, salinity, and fertility\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"647\" data-end=\"799\"\u003eInstead of guessing why plants grow slowly, leaves turn yellow, or harvests are not as expected, use real soil data to make smarter gardening decisions.\u003c\/p\u003e\n\u003cp data-start=\"801\" data-end=\"946\"\u003eFrom vegetable gardens to flower beds and greenhouse crops, create a better growing environment for healthier plants and more rewarding harvests.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"1458\" data-end=\"1548\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eWith the YIERYI soil tester, you can monitor important soil changes and better understand:\u003c\/strong\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1550\" data-end=\"1743\"\u003eWhen your plants may need nutrients\u003cbr data-start=\"1588\" data-end=\"1591\"\u003eWhen soil moisture needs attention\u003cbr data-start=\"1628\" data-end=\"1631\"\u003eWhether soil conditions are suitable for plant growth\u003cbr data-start=\"1686\" data-end=\"1689\"\u003eHow your soil changes throughout the growing season\u003c\/p\u003e","brand":"Yieryi Meter","offers":[{"title":"Default Title","offer_id":55784931885224,"sku":"YG-09S","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1988\/7016\/files\/4-1.jpg?v=1784797389"}],"url":"https:\/\/www.yieryi.com\/collections\/best-sellers\/npk-soil-tester.oembed","provider":"Yieryi Meter","version":"1.0","type":"link"}