{"product_id":"vivosun-ph-tds-meter-3-in-1-soil-tester-kit","title":"Vivosun 3-in-1 Water \u0026 Soil Testing Combo","description":"\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch2\u003eVivosun 3-in-1 Water \u0026amp; Soil Testing Combo\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003eNutrient lockout, pH drift, and over-watering are hard to catch by eye. By the time leaves yellow or curl, the problem has usually been building for days. The Vivosun Water \u0026amp; Soil Testing Combo gives you three dedicated meters in one kit so you can check both your water and your root zone before symptoms appear. The kit includes a digital pH meter with ±0.1 accuracy, a 4-mode TDS\/EC\/temperature tester, and a battery-free analog soil tester.\u003c\/p\u003e\n\u003cp\u003eThe Vivosun pH tester reads 0.00–14.00 pH and calibrates with one touch using the included buffer powder packs. The 3-in-1 TDS tester measures total dissolved solids (0–9999 ppm) and electrical conductivity (0–9999 µS\/cm) with ±5% accuracy. It shows water temperature on the same screen, and you can cycle through four display modes to read ppm or µS\/cm alongside °C or °F. Both digital testers use large backlit LCD screens that stay readable in dim grow rooms. The TDS tester's HOLD button locks a reading on screen so you can record it.\u003c\/p\u003e\n\u003cp\u003eFor soil growers, the 3-in-1 soil tester slides between moisture, pH, and light modes. Its color-coded dial shows at a glance whether your medium is dry, moist, or wet, and whether it's acidic or alkaline. The dual 7.8″ probes reach into the root zone, and the tester needs no battery. The Vivosun combo covers hydroponic reservoirs, soil beds, RO systems, aquariums, pools, spas, and household water checks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 20px 0;\"\u003e\u003cvideo src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/f0a586d5b67b4b5b84b6badf89ad52d2.mp4\" style=\"width: 100%; height: auto; border-radius: 8px;\" autoplay=\"autoplay\" muted=\"\" loop=\"loop\" playsinline=\"\" controls=\"controls\" loading=\"lazy\"\u003e\n\u003c\/video\u003e\u003c\/div\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cstyle\u003e\n  .image-gallery-container{max-width:1240px;margin:20px auto;}\n  .image-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;}\n  .gallery-item{aspect-ratio:1;overflow:hidden;border-radius:8px;}\n  .gallery-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform 0.3s ease;}\n  .gallery-item:hover img{transform:scale(1.05);}\n  @media (max-width:768px){\n    .image-gallery{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;gap:0.75rem;}\n    .gallery-item{flex:0 0 85%;scroll-snap-align:center;}\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"image-gallery-container\"\u003e\n\u003cdiv class=\"image-gallery\"\u003e\n\u003cdiv class=\"gallery-item\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1383\/1731\/files\/Vivosun_pH_TDS_Soil_Tester_5.jpg?v=1790617918\" alt=\"Vivosun water and soil testing combo with pH meter, TDS\/EC tester, and soil tester\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"gallery-item\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1383\/1731\/files\/Vivosun_pH_TDS_Soil_Tester_2.jpg?v=1790617917\" alt=\"Vivosun digital pH tester for hydroponic and drinking water testing\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"gallery-item\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1383\/1731\/files\/Vivosun_pH_TDS_Soil_Tester_4.jpg?v=1790617917\" alt=\"Vivosun 3-in-1 soil tester measuring moisture, pH, and light in garden soil\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"gallery-item\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1383\/1731\/files\/Vivosun_pH_TDS_Soil_Tester_3.jpg?v=1790617917\" alt=\"Vivosun 3-in-1 TDS and EC meter showing four display modes and measuring specifications\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .features-grid-container{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;padding:2rem 0;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;margin:0 auto;max-width:1240px;}\n  .feature-card{background-color:transparent;padding:1.5rem;border-radius:8px;text-align:center;flex:0 1 240px;box-sizing:border-box;}\n\u003c\/style\u003e\n\u003cdiv class=\"features-grid-container\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e🎯\u003c\/span\u003e\n\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003e±0.1 pH Accuracy\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eReads the full 0.00–14.00 pH range with one-touch automatic calibration using included buffer packs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e💧\u003c\/span\u003e\n\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003e4-Mode TDS\/EC Tester\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eMeasures TDS and EC to 9999 at ±5% accuracy, paired with °C or °F readings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e🌱\u003c\/span\u003e\n\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003eBattery-Free Soil Tester\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eSlide between moisture, pH, and light modes; color-coded dial and 7.8″ probes need no batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e🔆\u003c\/span\u003e\n\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003eBacklit LCD Screens\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eLarge backlit displays on the digital pH and TDS testers stay readable in dim grow rooms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e📌\u003c\/span\u003e\n\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003eHold \u0026amp; Memory Functions\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eLock readings for easy logging, and keep settings after unexpected power interruptions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e🔄\u003c\/span\u003e\n\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003eMulti-Use Applications\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eTest hydroponic reservoirs, soil, RO systems, aquariums, pools, spas, and household water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4 style=\"margin-bottom: 0;\"\u003eSpecifications\u003c\/h4\u003e\n\u003cstyle\u003e.styled-spec-container{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid #eee;border-radius:8px;margin-bottom:1em;}.styled-spec-table{width:100%;border-collapse:collapse;}.styled-spec-table thead{background-color:#f8f8f8;}.styled-spec-table th,.styled-spec-table td{padding:12px 15px;text-align:left;vertical-align:top;}.styled-spec-table th{font-weight:bold;color:#333;border-bottom:2px solid #ccc;}.styled-spec-table td{border-bottom:1px solid #eee;}.styled-spec-table tbody td:first-child{font-weight:500;color:#444;}.styled-spec-table tbody tr:last-child td{border-bottom:none;}\u003c\/style\u003e\n\u003cdiv class=\"styled-spec-container\"\u003e\n\u003ctable class=\"styled-spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Tester – Measuring Range\u003c\/td\u003e\n\u003ctd\u003e0.00–14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Tester – Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Tester – Calibration\u003c\/td\u003e\n\u003ctd\u003eOne-touch automatic (buffer powder packs included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Tester – Display\u003c\/td\u003e\n\u003ctd\u003eBacklit LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Tester – TDS Range\u003c\/td\u003e\n\u003ctd\u003e0–9999 ppm (1 ppm resolution, ±5% accuracy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Tester – EC Range\u003c\/td\u003e\n\u003ctd\u003e0–9999 µS\/cm (1 µS\/cm resolution, ±5% accuracy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Tester – Temperature Range\u003c\/td\u003e\n\u003ctd\u003e0.1–80°C \/ 32–176°F (0.1 resolution, ±1 accuracy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Tester – Display Modes\u003c\/td\u003e\n\u003ctd\u003eppm \u0026amp; °C, ppm \u0026amp; °F, µS\/cm \u0026amp; °C, µS\/cm \u0026amp; °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Tester – Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e0.1–80°C \/ 32–176°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Tester – Controls\u003c\/td\u003e\n\u003ctd\u003eON\/OFF, MODE, HOLD\/CAL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Tester – Display\u003c\/td\u003e\n\u003ctd\u003eBacklit LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Tester – Power Supply\u003c\/td\u003e\n\u003ctd\u003e1× 3V CR2032 button cell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoil Tester – Modes\u003c\/td\u003e\n\u003ctd\u003eMoisture, pH, Light (3-position slide switch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoil Tester – Moisture Scale\u003c\/td\u003e\n\u003ctd\u003e1–10 relative (1–3 Dry, 4–7 Moist, 8–10 Wet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoil Tester – pH Scale\u003c\/td\u003e\n\u003ctd\u003e3.5–8 pH (3.5–7 Acidic, 7–8 Alkaline)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoil Tester – Light Scale\u003c\/td\u003e\n\u003ctd\u003e0–2000 lux (relative intensity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoil Tester – Display\u003c\/td\u003e\n\u003ctd\u003eAnalog dial, color-coded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoil Tester – Power\u003c\/td\u003e\n\u003ctd\u003eNo battery required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoil Tester – Dimensions\u003c\/td\u003e\n\u003ctd\u003e10.8″ × 1.8″ (7.8″ probe length)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch4\u003eWarranty\u003c\/h4\u003e\n\u003cp\u003eVivosun backs the Water \u0026amp; Soil Testing Combo with 2 years of after-sale service.\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eWhat does the Vivosun Water \u0026amp; Soil Testing Combo include?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe combo includes three testers: a digital pH meter, a 3-in-1 TDS\/EC\/temperature tester, and an analog 3-in-1 soil tester for moisture, pH, and light. Buffer powder packs are also included for calibrating the pH meter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eHow do I calibrate the Vivosun pH tester?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eMix the included buffer powder packs into solution, then use the one-touch automatic calibration function. The meter calibrates itself to the buffer, so no manual adjustment is needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eWhat's the difference between TDS and EC readings?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eEC (electrical conductivity) measures how well your solution conducts electricity, reported in µS\/cm. TDS (total dissolved solids) converts that value to an estimated concentration in ppm. Press MODE on the Vivosun TDS tester to switch between ppm and µS\/cm, with temperature shown in °C or °F.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eDoes the soil tester need batteries?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eNo. The 3-in-1 soil tester is an analog meter that needs no battery. Push the probes into the soil, set the slide switch to moisture, pH, or light, and read the color-coded dial.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eHow do I read the soil tester's moisture and pH scales?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eIn moisture mode, 1–3 (red) means dry, 4–7 (green) means moist, and 8–10 (blue) means wet, so you know when it's time to water. In pH mode, the dial reads 3.5–7 as acidic and 7–8 as alkaline.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eWhat battery does the TDS tester use?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe Vivosun 3-in-1 TDS tester runs on a single 3V CR2032 button cell. These are widely available and easy to replace.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eCan I use this kit for hydroponics?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eYes. The pH meter and TDS\/EC tester are well suited to monitoring hydroponic reservoirs, with ranges up to 14.00 pH and 9999 ppm TDS. Regular checks help you catch pH drift and nutrient imbalances early.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eWhat else can I test besides grow water and soil?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe water testers work for drinking water, RO systems, aquariums, swimming pools, and spas. They measure pH, TDS, EC, and temperature, giving you a quick read on water quality wherever you use them.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"VIVOSUN","offers":[{"title":"Default Title","offer_id":52574570873048,"sku":"WEB-COMBO-PH","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1383\/1731\/files\/Vivosun_pH_TDS_Soil_Tester_1.jpg?v=1790617917","url":"https:\/\/trimleaf.com\/products\/vivosun-ph-tds-meter-3-in-1-soil-tester-kit","provider":"Trimleaf","version":"1.0","type":"link"}