{"product_id":"e300-pro2-substrate-ec-meter","title":"E300 Pro2 Substrate EC Meter","description":"\u003ch2\u003eUnlock Your Pot-tential with E300 Pro2 Substrate EC Meter\u003c\/h2\u003e\u003cp\u003eIn South African grows, substrate EC and temperature swings from hard water, evaporation, heat or inconsistent irrigation can quickly cause nutrient burn, root stress or poor uptake — especially in coco, peat or soil mixes. The E300 Pro2 Substrate EC Meter is the upgraded, tough-as-nails solution: a hand-held pen with a virtually unbreakable EC electrode on a 120 cm cable that reaches deep into pots, slabs, bags or beds for direct, accurate readings (0.00–19.99 mS\/cm EC, 0–50 °C temp). The black display with crisp white characters is easy to read under grow lights or in dim tents, while selectable 1 or 2 decimal precision and 30-day calibration reminder keep measurements spot-on without guesswork. IP67 waterproof electrode survives moist media and accidental dips, the replaceable probe extends lifespan, and ergonomic rubber grip + cap cord make probing comfortable even during long sessions. Digital manual EC calibration works with any solution, automatic temp compensation ensures accuracy across SA’s temperature swings, and AAA batteries (included) with auto shut-off keep it reliable. Compact, durable and built for daily demanding use — this meter helps maintain ideal EC and temp ranges for healthier roots, better nutrient efficiency and maximum yields in any medium.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVirtually unbreakable EC electrode on 120 cm cable – reaches deep into any substrate\u003c\/li\u003e\n\u003cli\u003eSelectable 1 or 2 decimal precision – fine-tune EC \u0026amp; temp readings for exact control\u003c\/li\u003e\n\u003cli\u003eCalibration reminder after 30 days – maintains long-term accuracy effortlessly\u003c\/li\u003e\n\u003cli\u003eIP67 waterproof electrode – survives moist media \u0026amp; accidental submersion\u003c\/li\u003e\n\u003cli\u003eReplaceable electrode \u0026amp; AAA batteries – extended lifespan \u0026amp; easy maintenance\u003c\/li\u003e\n\u003cli\u003eErgonomic rubber grip \u0026amp; cap cord – comfortable, secure handling in grow rooms\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEC Range: 0.00 – 19.99 mS\/cm\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 0 – 50 °C (32 – 122 °F)\u003c\/li\u003e\n\u003cli\u003eResolution: EC 0.01 or 0.1 mS\/cm; Temp 0.1 °C (1.0 °F)\u003c\/li\u003e\n\u003cli\u003eAccuracy: EC ±2% F.S. (0.0–4 mS\/cm); Temp ±0.5 °C (±1 °F)\u003c\/li\u003e\n\u003cli\u003eTemperature Compensation: Automatic 0 – 50 °C\u003c\/li\u003e\n\u003cli\u003eCalibration: Manual EC (compatible with any EC solution)\u003c\/li\u003e\n\u003cli\u003ePower: 2 × 1.5V AAA batteries (included)\u003c\/li\u003e\n\u003cli\u003eAuto Power-Off: After 8 minutes\u003c\/li\u003e\n\u003cli\u003eWaterproof Rating: IP65 (meter); IP67 (electrode)\u003c\/li\u003e\n\u003cli\u003eDimensions: 230 × 43 × 43 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 171 g\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HydroGarden","offers":[{"title":"Default Title","offer_id":43842757427288,"sku":"AQU006","price":3180.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1510\/3832\/files\/e300-pro2-substrate-ec-temp-4979-en-G.png?v=1773313107","url":"https:\/\/pot-tentialgrows.co.za\/products\/e300-pro2-substrate-ec-meter","provider":"Pot-tential Grows","version":"1.0","type":"link"}