{"title":"Meters and Measurement","description":"\u003cp dir=\"auto\"\u003eAccurate monitoring is essential for successful growing. Our range of Meters \u0026amp; Measurement tools gives you precise, reliable readings so you can maintain optimal conditions in your grow environment.\u003c\/p\u003e","products":[{"product_id":"indoor-thermometer-and-hygrometer","title":"Indoor Thermometer and Hygrometer","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eDigital Thermometer \u0026amp; Hygrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAccurate 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.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eClear, large digital display for at-a-glance monitoring\u003c\/li\u003e\n\u003cli\u003eTemperature Range: -10°C to 50°C\u003c\/li\u003e\n\u003cli\u003eHumidity Range: 20% to 95% RH\u003c\/li\u003e\n\u003cli\u003eCompact, lightweight design — can be placed on a tabletop or wall-mounted\u003c\/li\u003e\n\u003cli\u003eBattery included and ready to use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eIdeal for maintaining the perfect growing environment in grow tents, propagation areas, indoor gardens, and greenhouses. Keep your plants thriving with consistent climate control.\u003c\/p\u003e","brand":"Hydro Warehouse","offers":[{"title":"Default Title","offer_id":50110281253057,"sku":"AC-HYG-01","price":20.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/3276\/9473\/files\/indoor-therm.jpg?v=1780279496"},{"product_id":"bluelab-ph-pen","title":"Bluelab pH Pen","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eBluelab pH Pen\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eAccurate pH Monitoring for Optimal Nutrient Uptake\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe 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.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eCompact and ergonomic handheld design for easy one-handed use\u003c\/li\u003e\n\u003cli\u003eBright, easy-to-read backlit display\u003c\/li\u003e\n\u003cli\u003eHigh-accuracy double-junction pH probe\u003c\/li\u003e\n\u003cli\u003eSimple 2-point calibration with convenient 30-day reminder\u003c\/li\u003e\n\u003cli\u003eMeasures temperature in °C or °F\u003c\/li\u003e\n\u003cli\u003eFully waterproof and floats in solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003ePair the Bluelab pH Pen with the Bluelab Conductivity Pen for a complete, professional nutrient monitoring system.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eEssential for hydroponic, coco, and soil growers who want precise control over their nutrient solution and healthier, higher-yielding plants.\u003c\/p\u003e","brand":"BlueLab","offers":[{"title":"Default Title","offer_id":50230225862849,"sku":"MM-BL-PHP","price":155.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/3276\/9473\/files\/PENPH_317460a4-e7d3-489f-978a-754f303e45be.webp?v=1778826212"},{"product_id":"bluelab-conductivity-pen","title":"Bluelab Conductivity Pen","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eBluelab Conductivity Pen\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eAccurate EC \u0026amp; Temperature Meter\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe 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.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eCompact handheld design for convenient one-handed use\u003c\/li\u003e\n\u003cli\u003eBright, easy-to-read backlit display\u003c\/li\u003e\n\u003cli\u003eMeasures conductivity in EC, ppm 500 (TDS), and ppm 700 scales\u003c\/li\u003e\n\u003cli\u003eFactory calibrated and ready to use immediately\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC) for consistently accurate readings\u003c\/li\u003e\n\u003cli\u003eReads temperature in °C or °F\u003c\/li\u003e\n\u003cli\u003eFully waterproof and floats in solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003ePair it with the Bluelab pH Pen for a complete professional nutrient monitoring system.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eEssential for preventing nutrient burn, avoiding deficiencies, and maintaining optimal crop health in hydroponics, coco, or soil.\u003c\/p\u003e","brand":"BlueLab","offers":[{"title":"Default Title","offer_id":50230263316673,"sku":"MM-BL-ECP","price":145.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/3276\/9473\/files\/PENCON_1a01784b-e4af-4959-93cd-c0ae9a356d4a.webp?v=1778826409"},{"product_id":"bluelab-ec-truncheon","title":"Bluelab EC Truncheon","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eBluelab Truncheon Nutrient Meter\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eThe Original \u0026amp; Industry Standard\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe 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.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eRobust, waterproof construction built for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eAutomatically detects solution and displays readings with bright LED lights\u003c\/li\u003e\n\u003cli\u003eMeasures in EC, CF, PPM 500 (TDS), and PPM 700 scales\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation for accurate readings\u003c\/li\u003e\n\u003cli\u003eLong-format design – ideal for simultaneously stirring and measuring large reservoirs\u003c\/li\u003e\n\u003cli\u003eEasy to clean and disinfect\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eSimply 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.\u003c\/p\u003e","brand":"BlueLab","offers":[{"title":"Default Title","offer_id":50230307520705,"sku":"MM-BL-ECT","price":185.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/3276\/9473\/files\/TRUNV2.webp?v=1778826577"},{"product_id":"bluelab-ph-probe-kcl-storage-solution-120-ml","title":"Bluelab pH Probe KCl Storage Solution - 120 ml","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eBluelab pH Probe Storage Solution\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKeep Your pH Pen Accurate \u0026amp; Long-Lasting\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe Bluelab pH Probe Storage Solution is the perfect formula to properly store and hydrate your Bluelab pH Pen or probe between uses.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003ePrevents the pH probe from drying out, which is the most common cause of inaccurate readings and probe failure.\u003c\/li\u003e\n\u003cli\u003eMaintains the sensitivity and accuracy of your pH electrode.\u003c\/li\u003e\n\u003cli\u003eExtends the life and performance of your Bluelab pH meter.\u003c\/li\u003e\n\u003cli\u003eSpecifically formulated for Bluelab pH probes and pens.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eHow to Use:\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFor 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.\u003c\/p\u003e","brand":"BlueLab","offers":[{"title":"Default Title","offer_id":50230370107585,"sku":"MM-BL-KCL","price":22.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/3276\/9473\/files\/Bluelab-pH-Probe-KCL-Storage-Solution-120ml_STSOL120_1.webp?v=1778826836"},{"product_id":"nulife-ph-up","title":"Nulife pH Up","description":"\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003epH Up Solution\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003ePotassium Hydroxide 480g\/L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003epH 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.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eHigh-strength formula (480 g\/L Potassium Hydroxide)\u003c\/li\u003e\n\u003cli\u003eFast-acting and highly effective\u003c\/li\u003e\n\u003cli\u003eIdeal for hydroponics, coco, and soil systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eKeep your nutrient solution in the sweet spot for maximum nutrient uptake with this reliable pH Up.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003csection\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Nulife","offers":[{"title":"250ml","offer_id":50230484533441,"sku":"MM-NL-PHU250","price":20.0,"currency_code":"NZD","in_stock":true},{"title":"1L","offer_id":50230484566209,"sku":"MM-NL-PHU1","price":60.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/3276\/9473\/files\/phUp.jpg?v=1778827234"},{"product_id":"nulife-ph-down","title":"Nulife pH Down","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eNulife pH Down\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003ePhosphoric Acid 81% W\/V\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eNulife 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.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eHigh-strength formula (81% Phosphoric Acid)\u003c\/li\u003e\n\u003cli\u003eFast and reliable pH adjustment\u003c\/li\u003e\n\u003cli\u003eSuitable for hydroponics, coco, and soil systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eMaintain the perfect pH sweet spot with Nulife pH Down for healthier plants and better nutrient absorption.\u003c\/p\u003e","brand":"Nulife","offers":[{"title":"250ml","offer_id":50230539518145,"sku":"MM-NL-PHD250","price":20.0,"currency_code":"NZD","in_stock":true},{"title":"1L","offer_id":50230539550913,"sku":"MM-NL-PHD1","price":60.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/3276\/9473\/files\/phdown.jpg?v=1778827480"},{"product_id":"flairform-buffer-4-250ml","title":"Flairform Buffer 4 250ml","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003epH Buffers 4 \u0026amp; 7\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eProfessional Calibration Solutions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFlairform pH Buffers 4 and 7 are high-quality calibration solutions designed for accurate pH meter calibration in hydroponics, coco, and soil systems.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eFormulated with NIST-specified ingredients for maximum accuracy and reliability\u003c\/li\u003e\n\u003cli\u003eStabilised formula resists algae and microbial growth for excellent shelf life\u003c\/li\u003e\n\u003cli\u003eEssential for keeping your pH meter reading precisely\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e 250 ml and 1 L\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eRegular 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.\u003c\/p\u003e","brand":"Flairform","offers":[{"title":"Default Title","offer_id":50230601154753,"sku":"MM-FF-B4250","price":9.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/3276\/9473\/files\/PH4BUFFER-1-400x400.png?v=1778827739"},{"product_id":"eye-dropper-pipette-30ml","title":"Eye Dropper Pipette 30ml","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003e30ml Eye Dropper \/ Pipette\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003ePrecise Measuring \u0026amp; Dosing Tool\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis 30ml plastic eye dropper (pipette) is an essential accessory for accurate measurement and dosing of nutrients, additives, pH Up\/Down, cloning gels, and other liquid solutions.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eGenerous 30ml capacity with clear volume markings\u003c\/li\u003e\n\u003cli\u003eSoft, easy-squeeze bulb for smooth, controlled dispensing\u003c\/li\u003e\n\u003cli\u003eDurable, reusable plastic construction\u003c\/li\u003e\n\u003cli\u003eIdeal for small, precise adjustments without wasting product\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003ePerfect for hydroponic growers, propagators, and indoor gardeners who need reliable, mess-free dosing of small liquid volumes. A simple but essential tool for maintaining accuracy in your nutrient mix.\u003c\/p\u003e","brand":"Hydro Warehouse","offers":[{"title":"Default Title","offer_id":50230983164097,"sku":"MM-ED-3","price":0.6,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/3276\/9473\/files\/3MLDROPPER-PIPETTEPLASTIC_1024x1024_c447219a-9573-4b44-a13c-213095083be7.webp?v=1778829170"},{"product_id":"aquaone-digital-thermometer","title":"AquaOne Digital Thermometer","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eAquaOne Digital Thermometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eKeep 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.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eSimple suction cup mounting – attach the display unit securely to the outside of your aquarium for convenient viewing.\u003c\/li\u003e\n\u003cli\u003eFully submersible probe for direct water measurement.\u003c\/li\u003e\n\u003cli\u003eWater-resistant probe design (display unit stays dry).\u003c\/li\u003e\n\u003cli\u003eQuick power control with the FSW button – press for 3 seconds to turn off and preserve battery life.\u003c\/li\u003e\n\u003cli\u003eEasy battery installation: open the cover and insert the included battery positive side up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eIdeal 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.\u003c\/p\u003e","brand":"AquaOne","offers":[{"title":"Default Title","offer_id":50248750170305,"sku":"MM-AO-DT","price":8.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/3276\/9473\/files\/aqua-one-thermo.webp?v=1779252422"},{"product_id":"flairform-buffer-7-250ml","title":"Flairform Buffer 7 250ml","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003epH Buffers 4 \u0026amp; 7\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eProfessional Calibration Solutions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFlairform pH Buffers 4 and 7 are high-quality calibration solutions designed for accurate pH meter calibration in hydroponics, coco, and soil systems.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eFormulated with NIST-specified ingredients for maximum accuracy and reliability\u003c\/li\u003e\n\u003cli\u003eStabilised formula resists algae and microbial growth for excellent shelf life\u003c\/li\u003e\n\u003cli\u003eEssential for keeping your pH meter reading precisely\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e 250 ml and 1 L\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eRegular 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.\u003c\/p\u003e","brand":"Flairform","offers":[{"title":"Default Title","offer_id":50250752458945,"sku":"MM-FF-B7250","price":9.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/3276\/9473\/files\/PH7BUFFER-400x400.png?v=1779339070"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/3276\/9473\/collections\/PENPH.webp?v=1778826164","url":"https:\/\/www.hydrowarehouse.co.nz\/collections\/meters-and-measurement.oembed","provider":"Hydro Warehouse","version":"1.0","type":"link"}