• Digital pH meter with three pH calibration sachets on a white background
  • hydroponics digital pH meter with two plants, one healthy and one with yellow leaves, on a wooden surface.
  • Digital ph meter with smart temperature compensation feature in a glass container on a wooden surface.
  • 5-in-1 hydroponic testing kit with digital display on a black background
  • Digital pH meter with display showing measurements on a black background
  • Spider Farmer digital Ph meter with USBS charging connection on a black background, highlighting rechargeable feature.
  • Digital pH meter with sensor component on a black background, highlighting high-precision testing capabilities.
  • Digital pH meter with IP67 protection feature, shown splashing in water.
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Spider Farmer SF‑PH‑Meter | 5‑in‑1 pH Tester

£44.99
£44.99
Sale Sold out
Tax included. Shipping calculated at checkout.

Maximize your harvest and eliminate the guesswork from your grow with the Spider Farmer 5-in-1 pH & Hydroponic Meter Kit. Engineered specifically for precision hydroponics, indoor gardening, and advanced plant growth, this commercial-grade digital tester monitors the five most critical water metrics in real-time. Whether you are managing a deep water culture (DWC) setup, an aeroponic system, or a standard coco-coir feed, this all-in-one meter ensures your crops achieve optimal nutrient uptake for explosive yields.

Key Features & Cultivator Benefits

  • 5-in-1 Complete Nutrient Tracking: Simultaneously monitors pH, EC (Electrical Conductivity), TDS (Total Dissolved Solids), Temperature, and Salinity. Never juggle multiple pens again.
  • Dual-Screen Convenience: Displays TDS and pH on one screen at the same time. Save time and adjust your reservoirs with faster, more precise nutrient management.
  • High-Sensitivity Electrode Sensor: Features an advanced laboratory-grade probe that delivers lightning-fast, stable readings with a ±0.05 pH accuracy rating. Stop nutrient lockout and eliminate costly fertilizer waste before it impacts your plants.
  • Rugged Waterproof & Dustproof Build: Specially sealed against moisture, humidity, and accidental drops into the reservoir, guaranteeing long-term durability in harsh grow room environments.
  • Eco-Friendly Type-C Rechargeable Battery: Equipped with a built-in 600mAh lithium battery supporting 300 charge cycles. Enjoy up to 6 months of standby time on a single charge.

Technical Specifications

Measurement Modes pH, EC, TDS, Salinity, Temperature
pH Accuracy ±0.05 pH
Screen Display Simultaneous pH & TDS dual-readout
Power Source 600mAh Rechargeable Lithium Battery
Charging Port Type-C (60cm cable included)
Protection Rating Waterproof & Dustproof sealed design

What’s In the Box?

  • 1 x Spider Farmer 5-in-1 Hydroponic Tester
  • 1 x Type-C Charging Cable (60cm)
  • 1 x 4.00 pH Calibration Powder Packet
  • 1 x 6.86 pH Calibration Powder Packet
  • 1 x 9.18 pH Calibration Powder Packet

Why Choose Spider Farmer?

Improper pH and fluctuating EC levels are the leading causes of root rot, nutrient deficiencies, and stunted plant growth. The Spider Farmer 5-in-1 Tester offers professional-grade diagnostics at a hobbyist price point. By accurately mapping your parts-per-million (PPM) and acidity levels, you give your roots the exact environment they need to thrive from seedling through to harvest.

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Digital ph meter with smart temperature compensation feature in a glass container on a wooden surface.

Five Essential Readings in One Meter

Take greater control of nutrient solution management with the Spider Farmer 5-in-1 Hydroponic Meter, combining five useful water testing functions in one compact digital device.

Measure pH, EC, TDS, temperature and salinity to better understand the condition and concentration of your nutrient solution. A high-sensitivity electrode provides stable readings with pH accuracy of ±0.05, helping growers make more informed adjustments when mixing feeds or checking reservoirs.

Designed for hydroponic and indoor growing environments, the meter features a water, dust and moisture-resistant construction along with a rechargeable 600mAh lithium battery. The clear display can show pH and TDS together, making routine nutrient checks quick and straightforward.

Shop 5-in-1 Meter

FAQs

The current Spider Farmer 5-in-1 Hydroponic Meter measures pH, EC, TDS, temperature and salinity, allowing growers to monitor several important nutrient solution and water parameters with one device.

Spider Farmer specifies pH accuracy of ±0.05 using a high-sensitivity electrode sensor designed to provide stable readings for nutrient and water testing.

Yes. The meter is designed for hydroponics and plant growing applications, making it useful for checking nutrient solutions, reservoirs and water used in indoor growing systems.

Yes. Spider Farmer has designed the display so pH and TDS readings can be viewed together, making routine nutrient solution checks quicker and easier.

Yes. It has a built-in 600mAh lithium battery and comes with a Type-C charging cable. Spider Farmer states that it can provide up to six months of standby time on one charge.

The kit includes pH 4.00, 6.86 and 9.18 calibration powder alongside the meter, Type-C charging cable and user manual, giving you the equipment needed to calibrate the pH function.