{"product_id":"aqua-master-e300-pro-substrate-ec-temperature-meter-for-soil-coco-hydroponic-testing","title":"Aqua Master E300 Pro Substrate EC \u0026 Temperature Meter for Soil, Coco \u0026 Hydroponic Testing","description":"\u003ch2\u003eThe AQUA MASTER E300 Pro Substrate Meter is a professional handheld EC and temperature testing device designed for accurate measurement in soft, moist substrates and nutrient solutions.\u003c\/h2\u003e\n\u003cp\u003eIdeal for hydroponics, coco coir, soil, propagation media, and fertigation systems, this compact digital meter delivers fast and reliable readings to help growers maintain optimal nutrient conditions.\u003c\/p\u003e\n\u003cp\u003eFeaturing a durable near-unbreakable EC electrode connected via a flexible 90 cm cable, the E300 Pro is built for demanding cultivation environments. Its ergonomic rubber-backed housing ensures comfortable handling, while the simple one-point automatic calibration system allows for quick setup and consistent performance. Whether used in commercial horticulture or home growing systems, the E300 Pro helps improve nutrient management, plant health, and overall crop performance.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures EC and temperature in substrates and liquids\u003c\/li\u003e\n\u003cli\u003eSuitable for soil, coco coir, hydroponics, and moist growing media\u003c\/li\u003e\n\u003cli\u003eEC measurement range: 0.0 – 19.9 mS\/cm\u003c\/li\u003e\n\u003cli\u003eTemperature range: 0 – 50°C\u003c\/li\u003e\n\u003cli\u003eFast and accurate readings with ±2% EC accuracy\u003c\/li\u003e\n\u003cli\u003eDurable near-unbreakable EC electrode for long-term use\u003c\/li\u003e\n\u003cli\u003eFlexible 90 cm probe cable for convenient operation\u003c\/li\u003e\n\u003cli\u003eOne-point automatic EC calibration for simple setup\u003c\/li\u003e\n\u003cli\u003eErgonomic rubber-backed housing for comfortable handling\u003c\/li\u003e\n\u003cli\u003eCompact lightweight design for portable testing\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1 EC \/ 0.1°C\u003c\/li\u003e\n\u003cli\u003eWeight: 171g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy You Should Buy\u003c\/h3\u003e\n\u003cp\u003eThe AQUAMASTER E300 Pro Substrate Meter is an essential tool for growers who require accurate nutrient and substrate monitoring to achieve consistent plant performance. Its durable design, precise readings, and easy calibration make it ideal for both professional cultivation facilities and hobby growers. By helping maintain correct EC and temperature levels, the E300 Pro supports healthier root zones, improved nutrient uptake, and stronger overall plant growth.\u003c\/p\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the AQUAMASTER E300 measure?\u003c\/strong\u003e\u003cbr\u003eIt measures electrical conductivity (EC) and temperature in moist substrates and liquids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat growing media can it be used with?\u003c\/strong\u003e\u003cbr\u003eIt is suitable for soil, coco coir, hydroponic systems, and other soft moist substrates.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the meter require calibration?\u003c\/strong\u003e\u003cbr\u003eYes, it features a simple one-point automatic EC calibration system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow accurate is the meter?\u003c\/strong\u003e\u003cbr\u003eIt provides accuracy of ±2% EC and ±0.5°C temperature readings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the probe durable?\u003c\/strong\u003e\u003cbr\u003eYes, the meter includes a near-unbreakable EC electrode designed for demanding environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this be used in nutrient reservoirs?\u003c\/strong\u003e\u003cbr\u003eYes, it can measure EC and temperature in both substrates and liquid nutrient solutions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the cable length?\u003c\/strong\u003e\u003cbr\u003eThe EC electrode is connected with a 90 cm cable for flexible operation.\u003cbr\u003e\u003c\/p\u003e","brand":"Aqua Master","offers":[{"title":"Default Title","offer_id":46245590302917,"sku":"AE300SM16","price":310.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1676\/2883\/files\/hydroponic-supplies-water-test-meters-solutions-ec-ph-meters-aqua-master-aqua-master-e300-pro-substrate-ec-temperature-meter-for-soil-coco-hydroponic-testing-1239292116.png?v=1779216996","url":"https:\/\/www.drgreenthumbs.com.au\/products\/aqua-master-e300-pro-substrate-ec-temperature-meter-for-soil-coco-hydroponic-testing","provider":"Dr Greenthumbs","version":"1.0","type":"link"}