Meters and Measurement

Bluelab pH Pen Accurate pH Monitoring for Optimal Nutrient Uptake The Bluelab pH Pen is a reliable, high-performance handheld meter designed to help you maintain perfect pH levels for healthy plant growth and maximum nutrient absorption. Key Features: Compact and ergonomic handheld design for easy one-handed use Bright, easy-to-read backlit display High-accuracy double-junction pH probe Simple 2-point calibration with convenient 30-day reminder Measures temperature in °C or °F Fully waterproof and floats in solution Pair the Bluelab pH Pen with the Bluelab Conductivity Pen for a complete, professional nutrient monitoring system. Essential for hydroponic, coco, and soil growers who want precise control over their nutrient solution and healthier, higher-yielding plants.

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Bluelab Conductivity Pen Accurate EC & Temperature Meter The Bluelab Conductivity Pen is a compact, high-performance tool that delivers reliable measurements of nutrient strength (EC) and temperature, allowing you to create the perfect growing environment for your plants. Key Features: Compact handheld design for convenient one-handed use Bright, easy-to-read backlit display Measures conductivity in EC, ppm 500 (TDS), and ppm 700 scales Factory calibrated and ready to use immediately Automatic Temperature Compensation (ATC) for consistently accurate readings Reads temperature in °C or °F Fully waterproof and floats in solution Pair it with the Bluelab pH Pen for a complete professional nutrient monitoring system. Essential for preventing nutrient burn, avoiding deficiencies, and maintaining optimal crop health in hydroponics, coco, or soil.

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Bluelab Truncheon Nutrient Meter The Original & Industry Standard The Bluelab Truncheon is the most trusted nutrient meter among professional and hobby growers worldwide. Renowned for its reliability and simplicity, it delivers accurate conductivity (EC) readings every time with no calibration required. Key Features: Robust, waterproof construction built for long-lasting performance Automatically detects solution and displays readings with bright LED lights Measures in EC, CF, PPM 500 (TDS), and PPM 700 scales Automatic Temperature Compensation for accurate readings Long-format design – ideal for simultaneously stirring and measuring large reservoirs Easy to clean and disinfect Simply dip the Truncheon into your nutrient solution for instant, reliable results. The perfect tool for maintaining optimal nutrient strength and ensuring healthy, high-yielding plants in hydroponics, coco, or soil systems.

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Bluelab pH Probe Storage Solution Keep Your pH Pen Accurate & Long-Lasting The Bluelab pH Probe Storage Solution is the perfect formula to properly store and hydrate your Bluelab pH Pen or probe between uses. Key Benefits: Prevents the pH probe from drying out, which is the most common cause of inaccurate readings and probe failure. Maintains the sensitivity and accuracy of your pH electrode. Extends the life and performance of your Bluelab pH meter. Specifically formulated for Bluelab pH probes and pens. How to Use: Simply store your clean pH probe in the storage solution when not in use. Always ensure the probe tip stays submerged in the solution for best results. For consistent, reliable pH readings and to protect your investment, proper storage is essential. Keep your Bluelab pH Pen performing at its best with genuine Bluelab Storage Solution.

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pH Test Kit (Hydro) 30ml Reliable Liquid pH Testing Solution This high-quality pH Test Kit is an accurate and affordable way to monitor the pH of your nutrient solution. With a clear testing range of 4.5 to 9.0, it is ideal for hydroponic, coco, and soil growers who want fast, dependable results. Key Features: Simple to use — just 1 to 2 drops per test Provides up to 800 tests per 30ml bottle Easy-to-read waterproof colour chart on the bottle Includes a sturdy test tube for accurate sampling How to Use: Add 1–2 drops to a small sample of your nutrient solution and compare the colour to the chart for an instant reading. A must-have tool for maintaining optimal pH levels and ensuring your plants can absorb nutrients efficiently. Compact, reliable, and perfect for everyday use in any indoor garden.

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Soil pH Test Kit Laboratory Accuracy for Soil & Water This professional Soil pH Test Kit delivers reliable and highly accurate pH readings for both soil and nutrient solutions. Designed for serious gardeners and growers, it uses modern, industry-preferred chemistry to give consistent results you can trust. Key Features: Tests both soil and water pH with laboratory-level accuracy Performs up to 200 soil tests or 800 water tests per 30ml bottle Uses advanced calcium chloride extract method (current standard used by CSIRO and government labs) High colour resolution indicator for easy, precise reading across pH 5.0 – 9.0 Shelf life of over 3 years Simple to use with clear instructions and sturdy test tube Made in Australia by water and agricultural chemistry experts Why It Matters: Soil pH directly affects nutrient availability. Knowing your exact pH helps you grow healthier, more productive plants and avoid common nutrient lockout issues. Ideal for vegetable gardens, raised beds, potting mixes, hydroponics, and coco. A must-have tool for any grower who wants professional results without expensive electronic meters.

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Green Planet pH Down 500ml pH Adjustment Concentrate Green Planet pH Down is a concentrated acid solution formulated to lower the pH of your nutrient solution quickly and effectively. It contains Phosphoric Acid at 81% W/V, making it a reliable choice for precise pH control. Key Features: Active ingredient: Phosphoric Acid 81% W/V Fast-acting and highly effective Suitable for hydroponics, coco, and soil systems Directions for Use: Use a quality pH tester to monitor levels. Add a few drops of pH Down at a time, stir thoroughly, and re-test until the desired pH is reached. Check nutrient solution pH daily. Important: Do not mix pH Down and pH Up in the same solution, as this can disrupt pre-buffered media. Always wear gloves and avoid contact with skin and eyes. A simple and effective tool for maintaining optimal pH and ensuring healthy nutrient uptake.

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Green Planet pH Up 500ml pH Adjustment Concentrate Green Planet pH Up is a concentrated alkaline solution formulated to raise the pH of your nutrient solution quickly and effectively. It contains Potassium Carbonate at 480 g/L, making it a reliable choice for precise pH control. Key Features: Active ingredient: Potassium Carbonate 480 g/L Fast-acting and highly effective Suitable for hydroponics, coco, and soil systems Directions for Use: Use a quality pH tester to monitor levels. Add a few drops of pH Up at a time, stir thoroughly, and re-test until the desired pH is reached. Check nutrient solution pH daily. Important: Do not mix pH Up and pH Down in the same solution, as this can disrupt pre-buffered media. Always wear gloves and avoid contact with skin and eyes. A simple and effective tool for maintaining optimal pH and ensuring healthy nutrient uptake.

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Nulife pH Down Phosphoric Acid 81% W/V Nulife pH Down is a concentrated acid solution used to effectively lower the pH of your nutrient solution to the ideal range for optimal nutrient uptake. Key Features: High-strength formula (81% Phosphoric Acid) Fast and reliable pH adjustment Suitable for hydroponics, coco, and soil systems Application: Approximately 4 ml per 100 L of nutrient solution will lower pH by one unit (this is a guide only — results will vary). Always use a quality pH meter (Bluelab recommended) to monitor levels. Start with small amounts (one drop at a time) and test after each addition until the desired pH is reached. Important: Do not use pH Down and pH Up in the same nutrient solution, as this can destabilise pre-buffered growing mediums. Wear gloves and avoid contact with skin and eyes. Maintain the perfect pH sweet spot with Nulife pH Down for healthier plants and better nutrient absorption.

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pH Up Solution Potassium Hydroxide 480g/L pH Up is a concentrated alkaline solution designed to quickly and effectively raise the pH of your nutrient solution to the optimal range for healthy plant growth. Key Features: High-strength formula (480 g/L Potassium Hydroxide) Fast-acting and highly effective Ideal for hydroponics, coco, and soil systems Application: Use a reliable pH meter (Bluelab recommended) to monitor levels. Start with very small amounts — one drop at a time — and test after each addition until the desired pH is reached. Always add pH Up to your nutrient solution before final adjustments. Important: Do not use pH Up and pH Down in the same nutrient solution, as this can destabilise pre-buffered mediums. Wear gloves and avoid contact with skin and eyes. Keep your nutrient solution in the sweet spot for maximum nutrient uptake with this reliable pH Up.

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pH Buffers 4 & 7 Professional Calibration Solutions Flairform pH Buffers 4 and 7 are high-quality calibration solutions designed for accurate pH meter calibration in hydroponics, coco, and soil systems. Key Features: Formulated with NIST-specified ingredients for maximum accuracy and reliability Stabilised formula resists algae and microbial growth for excellent shelf life Essential for keeping your pH meter reading precisely Regular calibration with pH 4 and pH 7 buffers ensures your pH meter delivers consistent, trustworthy readings — critical for maintaining optimal nutrient availability and healthy plant growth.

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pH Buffers 4 & 7 Professional Calibration Solutions Flairform pH Buffers 4 and 7 are high-quality calibration solutions designed for accurate pH meter calibration in hydroponics, coco, and soil systems. Key Features: Formulated with NIST-specified ingredients for maximum accuracy and reliability Stabilised formula resists algae and microbial growth for excellent shelf life Essential for keeping your pH meter reading precisely Regular calibration with pH 4 and pH 7 buffers ensures your pH meter delivers consistent, trustworthy readings — critical for maintaining optimal nutrient availability and healthy plant growth.

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Digital Thermometer & Hygrometer Accurate and reliable monitoring of your grow room climate is essential for healthy plant growth. This compact digital thermometer and hygrometer delivers precise readings of both temperature and humidity levels with a large, easy-to-read display. Key Features: Clear digital display for at-a-glance monitoring Temperature Range: -10°C to 50°C Humidity Range: 20% to 95% RH Compact, lightweight design — can be placed on a tabletop or wall-mounted Battery included and ready to use Ideal for maintaining the perfect growing environment in grow tents, propagation areas, indoor gardens, and greenhouses. Keep your plants thriving with consistent climate control.

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Syringe for Nutrient Measurement Precise Dosing Tool This handy syringe is designed for accurate and controlled measurement of liquid nutrients, additives, pH solutions, and other horticultural liquids. Key Benefits: Clear volume markings for easy, precise dosing Allows fine control when measuring small to medium volumes Durable and easy to clean for repeated use A simple, reliable tool that helps maintain consistency and reduces waste when mixing and feeding your plants. Essential for hydroponic, coco, and soil growers.

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AquaOne Digital Thermometer Keep your aquarium environment perfectly balanced with the reliable AquaOne Digital Thermometer. This easy-to-use digital unit delivers accurate water temperature readings at a glance with a clear display. Key Features: Simple suction cup mounting – attach the display unit securely to the outside of your aquarium for convenient viewing. Fully submersible probe for direct water measurement. Water-resistant probe design (display unit stays dry). Quick power control with the FSW button – press for 3 seconds to turn off and preserve battery life. Easy battery installation: open the cover and insert the included battery positive side up. Ideal for freshwater and saltwater aquariums, this compact thermometer helps you maintain optimal conditions for healthy fish and plants. Accurate, user-friendly, and built for everyday home use.

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Time-R Digital Timer Heavy Duty 30A Programmable Timer The Time-R is a versatile, high-capacity digital timer with a robust 30A internal relay, capable of safely handling up to 1440W. It is ideal for controlling grow lights (1 x 1000W or 2 x 600W), fans, pumps, and other equipment with precision. Key Features: Large LCD display with green backlight Minimum 1-second intervals 30A heavy duty relay Built-in rechargeable battery 12/24 hour operation Beep button option 3 Operating Modes: Timed Mode: Up to 15 precise on/off times per day Repeat Mode: Repeat on/off cycles from 1 second up to 99 hours Combined Mode: Run repeating cycles at set intervals throughout a 24-hour period (up to 3 groups) Simple cross-button programming makes it easy to use while offering advanced flexibility for custom lighting, ventilation, and irrigation schedules. A powerful and reliable timer for serious indoor gardeners.

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24 Hour Mechanical Timer This reliable 24-hour mechanical timer is perfect for controlling your grow lights, fans, pumps, and other indoor growing equipment. Key Features: Supports up to one 600W HPS light (2400W maximum load) 15-minute interval settings with up to 48 on/off cycles per day Simple and easy to program — keeps the same schedule every day “I” setting for permanent ON mode Heavy-duty 10A rating (220-240V, 50Hz) Note: After a power outage, the timer will need to be reset to the correct time. Ideal for automated lighting schedules in grow tents, small grow rooms, or indoor gardens. A simple, dependable, and cost-effective solution for consistent plant growth cycles.

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Measuring Cups Set - 250ml & 1000ml Accurate measuring is essential for successful nutrient mixing. This set of heavy-duty measuring cups includes both 250ml and 1000ml sizes, giving you the perfect tools for precise dosing of nutrients, additives, pH solutions, and liquids. Key Features: Clear, easy-to-read volume markings in ml and fl oz Durable, food-grade plastic construction Chemical-resistant and easy to clean Sturdy handles and stable bases for accurate pouring Convenient set of two popular sizes (250ml & 1000ml) Ideal for hydroponic, coco, and soil growers who need reliable, mess-free measuring every time. A simple but essential addition to any grow room.

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