Aqua Master Tools - Replacement Substrate pH Electrode – Heavy-Duty Spear-Tip Glass Probe with Universal BNC Connector
Estimated delivery: 5 - 15 Business Days.
+5 days for regional locations on average [More Info]
Aqua Master Tools - Replacement Substrate pH Electrode – Heavy-Duty Spear-Tip Glass Probe with Universal BNC Connector
Restore 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.
Best For: 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.
Key Features & Technical Advancements
- Universal BNC Connection Interface: 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.
- Reinforced Spear-Tip Penetration Profile: Features a tapered, high-sensitivity glass bulb array specifically shaped to slide smoothly into soft substrates and moist soils without causing structural stress.
- Rugged Protective Polymer Shielding: Built with a durable plastic body that encases the internal reference chambers, protecting the fragile glass core from knocks against pots or tank walls.
- Full 0.1 to 14.0 pH Wide-Spectrum Competency: Restores full-range chemical analysis capability, allowing your digital monitor to register instant, real-time acidity changes in root zones and liquid solutions.
- Low-Maintenance Modular Core Design: Eliminates unexpected facility downtime by allowing you to replace a worn or damaged sensor cord in seconds without replacing the main digital console.
- Fast-Response Thermal Synchronization: Built to align perfectly with the auto-temperature compensation routines of your existing Aqua Master Tools meter handle to ensure steady readings.
Product Technical Specifications Matrix
| System, Mechanical, & Sensor Parameters | Engineering Metric / Design Detail |
|---|---|
| Brand & Infrastructure Line | Aqua Master Tools / Field Testing Replacement Series |
| Component Product Identity | Replacement Substrate pH Electrode with BNC Lead |
| Target System Compatibility | Aqua Master Tools H600 Pro Substrate System & S300 Substrate Meter |
| Terminal Interface Connector Type | Universal Twist-Lock BNC Coaxial Connector |
| Chemical Acidity Tracking Range | 0.1 to 14.0 pH Full-Spectrum Target Analysis |
| Sensor Reading Accuracy Capacity | Restores Factory Baseline (± 0.1 pH System Tolerances) |
| Primary Material Construction | High-Sensitivity Glass Core Tip / Heavy-Duty Protective Plastic Body Housing |
| Probe Core Design Architecture | Tapered Spear-Tip Solution-and-Substrate Penetration Probe |
| Liquid Thermal Operational Limits | 0°C to 50°C Core Substrate & Solution Environment |
| Recommended Storage Protocol | Must Be Kept Constantly Wet with 3M KCI Electrode Storage Solution |
Advanced Substrate Conditioning & Sensor Care Tips
- Executing Direct Substrate Core Testing Safely: 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.
- Root-Zone Hydration and Substrate Coordination: 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 Coco Coir and Horticultural Perlite. To keep moisture levels flawlessly uniform across large benches, feed your trays with a high-pressure Plont PPH Submersible Pump managed by an automated digital shot-timer.
- Executing a Complete 2-Point Electronic Alignment Post-Installation: 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.
- Maintaining the Replacement Electrode and Preventing Drift: 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 3M KCI Electrode Storage Solution before storing it away. Avoid wiping the tip with paper towels, as static charges can cause severe digital reading drift.
Ideal For (Uses)
- Aqua Master Tools Refurbishment: 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.
- Direct Soil & Coco Coir Profiling: 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.
- Commercial Facility Spare Parts Management: 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.
Oversized Item Delivery Options
Oversized, heavy, and structural goods ship via specialist freight. Freight is calculated at checkout from estimated packaged volumetric or physical weight. Carrier depot audits may adjust the rate — if the increase exceeds 10%, we will contact you before processing.
Available options include:
✔ Delivery to your closest depot for pickup — default method
✔ Direct delivery — requires an operational forklift on site unless Tailgate Delivery has been specifically requested and quoted (contact us — this cannot be selected at checkout)
✔ Tailgate hydraulic lift delivery — must be specifically requested; contact us for a quote (not available as a checkout option; extra fees apply; required if you do not have a forklift)
✔ Forklift loading at our warehouse (no extra charge if you arrange your own freight)
✔ Direct truck delivery (available in Victoria)
Important Notes:
- Shipping costs vary by location and method
- Any carton or consignment over 25–30kg (or over 200cm) must be palletised
- Without a specifically requested and paid Tailgate Delivery quote, palletised freight requires a forklift on site — otherwise the carrier will redirect to the nearest depot
- Bulky and oversized items cannot be delivered to a PO Box — provide a physical street address
- Failed deliveries, locked gates, unattended sites, or incorrect business/forklift declarations may incur carrier redelivery, demurrage, and restocking fees as set out in our Terms & Conditions
Business Delivery:
- Selecting a business/commercial delivery rate warrants that the address has an operational forklift and certified operator during business hours
- If the carrier cannot unload, the consignment may be redirected to a depot and secondary fees may apply
- Additional fees may apply for failed delivery attempts due to lack of appropriate unloading equipment
See our Terms & Conditions (Article 8) for full freight and delivery rules.
Important Note on Availability & Shipping
Our warehouse is a logistics hub, not a retail showroom. Listing a product online does not mean it is stored at our Thomastown warehouse — many lines ship from supplier hubs (split fulfilment may apply).
How lead times work:
- Product page ETA: The Estimated Time of Arrival (ETA) / lead-time badge shown on the product page at checkout is the agreed delivery timeframe for that order under Australian Consumer Law.
- Metro baselines: Advertised ETAs apply to standard metropolitan zones. Regional and remote addresses may take longer and may attract surcharges.
- Peak seasons: Orders in March–May, August–October, EOFY (June), Black Friday/Cyber Monday (November), and Christmas/New Year (December–January) may automatically add a 2–4 week buffer beyond the product page ETA.
- Supplier-dependent / backordered items: If stock is delayed, we will notify you with a revised ETA. You then have 7 days to accept the new timeframe or cancel for a full refund.
- Adloheat: Custom-made products from Adloheat (Pakenham, VIC) may take 4–12 weeks depending on the order.
Full fulfilment, cancellation, and freight rules are in our Terms & Conditions.
Biosecurity & Interstate Shipping Restrictions
Due to strict state biosecurity regulations, we are unable to ship some products to certain states and territories:
- Potting Mixes cannot be shipped to Western Australia (WA), the Northern Territory (NT), or Tasmania (TAS).
- Seeds cannot be shipped to Western Australia (WA).
Orders placed for these items to restricted states will be cancelled and refunded. It is the customer's responsibility to ensure that the items being ordered can lawfully be delivered to their state or territory.
We Offer the Best Prices
We are committed to offering competitive market rates. If you find an identical, currently stocked product advertised at a lower price by an authorised Australian competitor, contact us before purchase and we will review your request.
Price Match Conditions:
- The competitor must be a registered Australian business (active ABN) with a physical trading address or verified commercial presence in Australia
- The item must be identical in brand, model, SKU, gauge, dimensions, and specifications
- The lower price must be publicly advertised in AUD, currently active, and available for immediate purchase
- Excludes liquidation, clearance, closeouts, damaged goods, and discontinued lines
- Excludes overseas marketplaces and aggregators including Temu, AliExpress, eBay auction sellers, and Amazon third-party sellers
- Excludes trade quotes, bulk discounts, and custom negotiated quotes not publicly visible
- Requests must be made in writing before purchase
How to Request a Price Match:
Email [email protected] with a live link or official quote. We reserve sole discretion to verify and approve price match adjustments. See Article 6.7 of our Terms & Conditions.
Pricing Errors & 105% Store Credit
If a displayed price is incorrect due to a website error or an extraordinary supplier increase, we will contact you before processing. You may proceed at the corrected price, choose an alternative, or cancel for a full cash refund. A 105% store credit may be offered as a courtesy bonus at our sole discretion only. It is not an entitlement, and we may refuse it if we believe it is being abused or sought in bad faith. Full details: Terms & Conditions Article 6.1.
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