{"product_id":"aqua-master-tools-replacement-substrate-ph-electrode-heavy-duty-spear-tip-glass-probe-with-universal-bnc-connector","title":"Aqua Master Tools - Replacement Substrate pH Electrode – Heavy-Duty Spear-Tip Glass Probe with Universal BNC Connector","description":"\u003csection\u003e\n\u003ch3\u003eAqua Master Tools - Replacement Substrate pH Electrode – Heavy-Duty Spear-Tip Glass Probe with Universal BNC Connector\u003c\/h3\u003e\n\u003cp\u003eRestore original factory telemetry, maintain absolute control over your root-zone chemistry, and ensure uncompromised accuracy across your facility rounds with the Aqua Master Tools Replacement Substrate pH Electrode. Purpose-built as the direct plug-and-play replacement probe for both the **Aqua Master Tools H600 Pro Substrate System** and the **S300 Pro 2 Handheld Substrate Meter**, this commercial-grade sensor is engineered to handle the tough, demanding environments of commercial indoor vertical farms, large-scale greenhouse ranges, and nursery production facilities. Over months of direct contact with dense organic soils, abrasive media particles, and concentrated liquid fertilizers, all substrate probes naturally experience glass membrane degradation, mineral fouling, and slow sensor drift. Instead of forcing you to purchase an entirely new digital monitoring console, the smart modular engineering of the Aqua Master Tools ecosystem allows you to simply refresh your tool by swapping out the worn sensor lead. This heavy-duty probe features a high-sensitivity, fast-response glass spear-tip designed to easily glide into soft substrates, moist soil blends, and coco coir matrices, while the remaining body is constructed from a rugged, non-porous polymer shield that resists structural impacts and chemical corrosion. Outfitted with an industry-standard, high-shielding **universal BNC connector**, this versatile electrode securely twists into place on your existing meter socket instantly—delivering a clean, noise-free signal path to the digital processor so you can keep your crops thriving cycle after cycle.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eBest For:\u003c\/strong\u003e Routine maintenance for Aqua Master Tools H600 and S300 meters, replacing worn, cracked, or degraded substrate probes, restoring fast meter response times, and maintaining essential backup parts inventory for commercial cultivation operations.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Technical Advancements\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal BNC Connection Interface:\u003c\/strong\u003e Engineered with a standard twist-lock BNC terminal that provides a secure, noise-free connection to H600 systems, S300 meters, and other standard BNC testing tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Spear-Tip Penetration Profile:\u003c\/strong\u003e Features a tapered, high-sensitivity glass bulb array specifically shaped to slide smoothly into soft substrates and moist soils without causing structural stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Protective Polymer Shielding:\u003c\/strong\u003e Built with a durable plastic body that encases the internal reference chambers, protecting the fragile glass core from knocks against pots or tank walls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull 0.1 to 14.0 pH Wide-Spectrum Competency:\u003c\/strong\u003e Restores full-range chemical analysis capability, allowing your digital monitor to register instant, real-time acidity changes in root zones and liquid solutions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Maintenance Modular Core Design:\u003c\/strong\u003e Eliminates unexpected facility downtime by allowing you to replace a worn or damaged sensor cord in seconds without replacing the main digital console.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast-Response Thermal Synchronization:\u003c\/strong\u003e Built to align perfectly with the auto-temperature compensation routines of your existing Aqua Master Tools meter handle to ensure steady readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Technical Specifications Matrix\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; text-align: left;\" cellpadding=\"5\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003eSystem, Mechanical, \u0026amp; Sensor Parameters\u003c\/th\u003e\n\u003cth\u003eEngineering Metric \/ Design Detail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand \u0026amp; Infrastructure Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAqua Master Tools \/ Field Testing Replacement Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Product Identity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReplacement Substrate pH Electrode with BNC Lead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTarget System Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAqua Master Tools H600 Pro Substrate System \u0026amp; S300 Substrate Meter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal Interface Connector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUniversal Twist-Lock BNC Coaxial Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChemical Acidity Tracking Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 to 14.0 pH Full-Spectrum Target Analysis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Reading Accuracy Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRestores Factory Baseline (± 0.1 pH System Tolerances)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Material Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Sensitivity Glass Core Tip \/ Heavy-Duty Protective Plastic Body Housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Core Design Architecture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTapered Spear-Tip Solution-and-Substrate Penetration Probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLiquid Thermal Operational Limits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C to 50°C Core Substrate \u0026amp; Solution Environment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Storage Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMust Be Kept Constantly Wet with 3M KCI Electrode Storage Solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdvanced Substrate Conditioning \u0026amp; Sensor Care Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExecuting Direct Substrate Core Testing Safely:\u003c\/strong\u003e To lock in perfectly accurate root-zone readings without scratching or blinding the sensor, always ensure your substrate is thoroughly moist before pushing the probe tip into place. For compressed coco coir blocks or dense organic soils, use a clean metal spike or dibbler to create a small pilot pathway first, then gently slide the replacement spear probe down into the root core. This structural step shields the delicate glass sensing membrane from unnecessary physical grinding against hard pearlites or uncomposted wood bits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoot-Zone Hydration and Substrate Coordination:\u003c\/strong\u003e Keeping your medium's chemical profile balanced allows your root network to absorb nutrients at peak efficiency. For the best structural airflow and fast nutrient uptake, pair your substrate measurements with a high-porosity 70\/30 blend of \u003cstrong\u003eCoco Coir and Horticultural Perlite\u003c\/strong\u003e. To keep moisture levels flawlessly uniform across large benches, feed your trays with a high-pressure \u003cstrong\u003ePlont PPH Submersible Pump\u003c\/strong\u003e managed by an automated digital shot-timer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExecuting a Complete 2-Point Electronic Alignment Post-Installation:\u003c\/strong\u003e Every time you swap out a probe lead, you must re-align the meter's internal digital processor with the new sensor. Push and twist the BNC connector securely onto your S300 or H600 console, then place the spear probe into clean pH 7.0 calibration reference fluid and run the automatic calibration sequence. Once the meter locks in the neutral point, rinse the tip with clean water and repeat the step in pH 4.0 reference fluid to secure your baseline accuracy across the board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintaining the Replacement Electrode and Preventing Drift:\u003c\/strong\u003e The high-precision glass tip on the replacement sensor must never be allowed to dry out completely. After wrapping up your soil tests, thoroughly rinse the probe tip with fresh tap water or a specialized wash bottle to clear away clinging substrate dirt and sticky fertilizer salts. Slide the probe into its protective guard filled with a few drops of specialized \u003cstrong\u003e3M KCI Electrode Storage Solution\u003c\/strong\u003e before storing it away. Avoid wiping the tip with paper towels, as static charges can cause severe digital reading drift.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal For (Uses)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAqua Master Tools Refurbishment:\u003c\/strong\u003e The perfect direct replacement component for commercial cultivation facilities and home growers who need to bring a sluggish or inaccurate H600 or S300 meter system back to original factory performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Soil \u0026amp; Coco Coir Profiling:\u003c\/strong\u003e Ideal for facility technicians running daily root-zone checks directly inside pots, grow bags, rockwool slabs, and raised beds without stirring up messy slurry mixes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Facility Spare Parts Management:\u003c\/strong\u003e An exceptional backup inventory choice for commercial greenhouse operations and vertical farms looking to eliminate unexpected downtime by keeping extra BNC substrate probes on hand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"Holland Forge","offers":[{"title":"Default Title","offer_id":48455187890276,"sku":"4400","price":98.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6487\/0244\/files\/AquaMasterS300PRO2SubtratepH3_17d93ee8-3001-48d3-acef-ee6a4a39d7cb.png?v=1779619676","url":"https:\/\/www.greenhousepolytunnels.com.au\/products\/aqua-master-tools-replacement-substrate-ph-electrode-heavy-duty-spear-tip-glass-probe-with-universal-bnc-connector","provider":"Greenhouse \u0026 Polytunnels","version":"1.0","type":"link"}