{"title":"Water quality control","description":"","products":[{"product_id":"aqua-master-ph-temp-meter-p50-pro","title":"Aqua Master pH Temp Meter P50 Pro","description":"\u003cp\u003eExclusive to G.A.S, the fully calibrated Aqua Master pH Temp Meter P50 Pro provides highly accurate readings of both pH and temperature for ultimate precision.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIP67 waterproof rated\u003c\/li\u003e\n\u003cli\u003eLarge, easy to read, digital display\u003c\/li\u003e\n\u003cli\u003eFully calibrated\u003c\/li\u003e\n\u003cli\u003eReplaceable probes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the meter work?\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePrior first usage – soak your pH meter in tap water for 12 hours.\u003c\/li\u003e\n\u003cli\u003eRemove the protective cover.\u003c\/li\u003e\n\u003cli\u003eGently clean the electrode with distilled water and dry it off.\u003c\/li\u003e\n\u003cli\u003ePress the On\/off button to start the meter.\u003c\/li\u003e\n\u003cli\u003eInsert the meter upright into the solution up to the edge and stir gently. Wait a few seconds for the correct value to appear on the display.\u003c\/li\u003e\n\u003cli\u003ePress the C\/F button to switch between Celsius and Fahrenheit.\u003c\/li\u003e\n\u003cli\u003eRinse the electrode with water after use and press the On\/off button to turn off the meter.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52924714647884,"sku":null,"price":59.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/AMp50.jpg?v=1752532612"},{"product_id":"aqua-master-p110-pro-combo-pen","title":"Aqua Master P110 Pro Combo Pen","description":"\u003cul\u003e\n\u003cli\u003eSingle unit to measure pH and EC\u003c\/li\u003e\n\u003cli\u003eLarge easy to read, digital display\u003c\/li\u003e\n\u003cli\u003eIP67 waterproof rated\u003c\/li\u003e\n\u003cli\u003eFully calibrated\u003c\/li\u003e\n\u003cli\u003eReplaceable electrode\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930164425036,"sku":null,"price":79.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/amcombopen.jpg?v=1752608286"},{"product_id":"aqua-master-ec-temp-meter-e50-pro","title":"Aqua Master EC Temp Meter E50 Pro","description":"\u003cp\u003eKeep the EC of your nutrient solution at optimal levels with the reliable and accurate Aqua Master EC Temp Meter E50 Pro.\u003c\/p\u003e\n\u003cp\u003eFully calibrated and waterproof, the effective EC meter is simple to use and also measures temperature!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIP67 waterproof rated\u003c\/li\u003e\n\u003cli\u003eLarge, easy to read, digital display\u003c\/li\u003e\n\u003cli\u003eFully calibrated\u003c\/li\u003e\n\u003cli\u003eReplaceable probes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the meter work?\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove the protective cover.\u003c\/li\u003e\n\u003cli\u003eGently clean the electrode with distilled water and dry it off.\u003c\/li\u003e\n\u003cli\u003ePress the On\/off button to start the meter.\u003c\/li\u003e\n\u003cli\u003eInsert the meter upright into the solution up to the edge and stir gently. Wait a few seconds for the correct value to appear on the display.\u003c\/li\u003e\n\u003cli\u003ePress the C\/F button to switch between Celsius and Fahrenheit.\u003c\/li\u003e\n\u003cli\u003eRinse the electrode with water after use and press the On\/off button to turn off the meter.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930174255436,"sku":null,"price":59.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/amec50.jpg?v=1752608360"},{"product_id":"aqua-master-replacement-electrode-p50","title":"Aqua Master Replacement Electrode P50","description":"\u003cp\u003eAqua Master Replacement Electrode P50 – suitable for the pH Temp meter P50 Pro.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to replace the electrode:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eProperly unscrew the sealing ring in the lower part of the meter.\u003c\/li\u003e\n\u003cli\u003eRemove the defective\/old electrode by gently pulling it.\u003c\/li\u003e\n\u003cli\u003eCarefully place the new electrode with the recess in the correct position so that the connectors properly connect and do not damage the meter or electrode.\u003c\/li\u003e\n\u003cli\u003eCheck that the rubber seal is properly placed.\u003c\/li\u003e\n\u003cli\u003eTightly tighten the sealing ring.\u003c\/li\u003e\n\u003cli\u003eCalibrate the meter as described in this manual.\u003c\/li\u003e\n\u003cli\u003eThe meter is now ready for use.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930189885772,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/amrp50probe.jpg?v=1752608519"},{"product_id":"aqua-master-replacement-electrode-e50","title":"Aqua Master Replacement Electrode E50","description":"\u003cp\u003eSuitable for the EC Temp meter E50 Pro.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to replace the electrode:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eProperly unscrew the sealing ring in the lower part of the meter.\u003c\/li\u003e\n\u003cli\u003eRemove the defective\/old electrode by gently pulling it.\u003c\/li\u003e\n\u003cli\u003eCarefully place the new electrode with the recess in the correct position so that the connectors properly connect and do not damage the meter or electrode.\u003c\/li\u003e\n\u003cli\u003eCheck that the rubber seal is properly placed.\u003c\/li\u003e\n\u003cli\u003eTightly tighten the sealing ring.\u003c\/li\u003e\n\u003cli\u003eCalibrate the meter as described in this manual.\u003c\/li\u003e\n\u003cli\u003eThe meter is now ready for use.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930338554188,"sku":null,"price":23.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/amrpe50probe.jpg?v=1752608764"},{"product_id":"aqua-master-combo-meter-p700-pro-2","title":"Aqua Master Combo Meter P700 Pro 2","description":"\u003ch3 class=\"p1\"\u003eA premium monitor from Aqua Master\u003cspan class=\"s1\"\u003e \u003c\/span\u003eTools offering many reliable, user friendly features.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eThe Aqua Master Combo Meter P700 Pro 2 is designed for long-term, low maintenance use. Just plug in the AC adapter, calibrate and the unit is ready for continuous monitoring. A rechargeable battery is included, so even when there is no access to power the monitor will still function.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 class=\"p2\"\u003e\u003cstrong\u003eImproved Features of V2:\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"p3\"\u003eCompatible with most common calibration liquids\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"p3\"\u003eReceive notifications when electrodes are worn\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"p3\"\u003eGet notified when your meter needs calibration\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"p3\"\u003eOn and off switch to manage light function\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"p3\"\u003eNew, quality electrodes\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"p4\"\u003eImproved software\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eHow does the meter work?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003ePlug the power supply into the wall outlet and connect the USB connector to the meter.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eConnect the pH and EC electrode to the meter.\u003c\/li\u003e\n\u003cli\u003eRemove the protective cap from the pH and EC electrodes.\u003c\/li\u003e\n\u003cli\u003eTurn the meter on.\u003c\/li\u003e\n\u003cli\u003eImmerse the pH and EC electrodes in the liquid you want to test and stir gently until the reading stabilises.\u003c\/li\u003e\n\u003cli\u003ePress the C \/ F key to switch between Celsius and Fahrenheit. Press the MODE key to switch between EC \/ CF and PPM measurements.\u003c\/li\u003e\n\u003cli\u003eTurn the meter off after use.\u003c\/li\u003e\n\u003cli\u003eClean the pH and EC electrodes with tap water to minimise the chance of contamination.\u003c\/li\u003e\n\u003cli\u003ePlace the pH and EC electrode back in the protective cap.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eYou can also use the meter continuously and keep the electrodes in the liquid to be measured. Then keep in mind that these need to be calibrated more often. It is also important to check for algae deposits and, if necessary, to carefully clean the electrodes.\u003c\/p\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930351071564,"sku":null,"price":239.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/amcombo.jpg?v=1752608890"},{"product_id":"aqua-master-combo-meter-h600-pro","title":"Aqua Master Combo Meter H600 Pro","description":"\u003ch3\u003eH600 Pro Handheld Meter pH, EC, PPM, TDS, Temp.\u003c\/h3\u003e\n\u003ch4\u003eThe Handheld Meter H600 Pro combines accuracy, ease of use, and practicality.\u003c\/h4\u003e\n\u003cp\u003eThe Handheld Meter H600 Pro from\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.globalairsupplies.co.uk\/product-tag\/aqua-master\/\"\u003eAqua Master\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eis a versatile tool designed for precise measurement of pH, EC, PPM, TDS, and temperature in liquids. Its user-friendly interface ensures effortless parameter switching, making it accessible to both seasoned professionals and newcomers.\u003c\/p\u003e\n\u003cp\u003eOne of its key features is the built-in calibration indicator, which acts as a proactive reminder for recalibration, ensuring consistent measurement accuracy. This meter is also designed to be compatible with the Aqua Master Tools substrate electrodes. To enhance convenience, the meter is supplied with a durable carrying case, simplifying transportation, and safeguarding your investment.\u003c\/p\u003e\n\u003cp\u003eThe meter comes fully calibrated and includes one battery and storage box.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eElectrode can be interchanged with a substrate electrode.\u003c\/li\u003e\n\u003cli\u003eEffortlessly switch between parameters\u003c\/li\u003e\n\u003cli\u003eSupplied in a durable transportation case\u003c\/li\u003e\n\u003cli\u003eBuilt-in calibration indicator, ensuring consistent measurement accuracy\u003c\/li\u003e\n\u003cli\u003eEasy to replace electrodes\u003c\/li\u003e\n\u003cli\u003eRobust housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Information:\u003c\/h3\u003e\n\u003ch4\u003eRange:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003epH: 0.1 – 14.0 pH\u003c\/li\u003e\n\u003cli\u003eEC: 0.0 – 19.9 mS\/cm\u003c\/li\u003e\n\u003cli\u003eTDS: 0.0 – 19.99 PPT\u003c\/li\u003e\n\u003cli\u003ePPM: 0 – 1999 PPM\u003c\/li\u003e\n\u003cli\u003e: 0°C ~ 50°C (32°F ~ 122°F)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eResolution:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003epH: ± 0.1 pH\u003c\/li\u003e\n\u003cli\u003eEC: 0.1 mS\/cm\u003c\/li\u003e\n\u003cli\u003eTDS: 0.01 PPT\u003c\/li\u003e\n\u003cli\u003ePPM: 10 PPM\u003c\/li\u003e\n\u003cli\u003e: 0.1°C (1.0 ºF)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAccuracy:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003epH: ± 0.1 pH\u003c\/li\u003e\n\u003cli\u003eEC: ± 2% F.S.\u003c\/li\u003e\n\u003cli\u003eTDS: ± 2% F.S.\u003c\/li\u003e\n\u003cli\u003ePPM: 10 PPM\u003c\/li\u003e\n\u003cli\u003e: ± 0.5°C (32°F)\u003c\/li\u003e\n\u003cli\u003ecompensation: 0°C – 50°C (32°F – 122°F)\u003c\/li\u003e\n\u003cli\u003ePPM scale: 700 PPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCalibration:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003epH: 2 point auto cal 4.0 – 7.0 pH\u003c\/li\u003e\n\u003cli\u003eEC: 1 point auto cal EC 1.4 (1413 μS\/cm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCalibration indicator:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAfter successful calibration, disappears after 30 days.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cp\u003eBattery indicator \u0026amp; automatic temp. compensation\u003cbr\u003ePower supply: 1 x 9 Volt battery (included)\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWaterproof: Electrodes IP67, Meter IP62\u003c\/span\u003e\u003c\/p\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930369323340,"sku":null,"price":229.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/amh600pro_2299548e-1061-4fe7-b1e1-c36a402ecc9b.jpg?v=1752609040"},{"product_id":"aqua-master-substrate-ec-temp-e300-pro","title":"Aqua Master Substrate EC\/Temp E300 Pro","description":"\u003ch3\u003eAqua Master Substrate EC\/Temp E300 Pro\u003c\/h3\u003e\n\u003cp\u003eExclusive to Global Air Supplies, the E300 Pro is the ideal meter to measure the EC and temperature of coconut soil and other moist, soft substrates and liquids. The E300 Pro features a modern and robust housing, with easy to operate buttons. It also includes an EC electrode of unprecedented quality. The meter is delivered fully calibrated and includes batteries.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the meter work?\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eConnect the PIN connector of the electrode to the EC meter.\u003c\/li\u003e\n\u003cli\u003eRinse the electrode with running water and dry it using clean kitchen paper.\u003c\/li\u003e\n\u003cli\u003ePress the on\/off button to turn on the meter.\u003c\/li\u003e\n\u003cli\u003ePlace the electrode in the (soft) substrate (make sure the substrate is well wet\/damp, otherwise the meter will not work properly) or liquid to be measured.\u003c\/li\u003e\n\u003cli\u003eWait for the value to stabilise. The measurement is now complete.\u003c\/li\u003e\n\u003cli\u003ePress the HOLD button to save the measurement. Do not forget to press the HOLD button again when the meter is used once more.\u003c\/li\u003e\n\u003cli\u003eRinse the electrode with clean water after use, so that no residue is left on the electrode.\u003c\/li\u003e\n\u003cli\u003ePress the on\/off button to turn off the meter.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930380529996,"sku":null,"price":149.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/ame300.jpg?v=1752609218"},{"product_id":"aqua-master-replacement-ec-electrode-e300-pro","title":"Aqua Master Replacement EC Electrode E300 Pro","description":"\u003ch3\u003eAqua Master Replacement EC Electrode E300 Pro\u003c\/h3\u003e\n\u003cp\u003eThis is the replacement probe for the Aqua Master Substrate EC\/Temp E300 Pro. For instructions on how to replace the electrode, please refer to the user manual for the:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.globalairsupplies.co.uk\/aqua-master-substrate-ec-temp-e300-pro\"\u003e\u003cstrong\u003eAqua Master Substrate EC\/Temp E300 Pro\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eReplacing the electrode:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eDetach the PIN connector of the old EC electrode from the meter.\u003c\/li\u003e\n\u003cli\u003eConnect the PIN connector of the new EC electrode to the meter.\u003c\/li\u003e\n\u003cli\u003eCalibrate the meter as described in this manual.\u003c\/li\u003e\n\u003cli\u003eThe meter is now ready for use.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930389213516,"sku":null,"price":69.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/ame3002.jpg?v=1752609320"},{"product_id":"aqua-master-substrate-ph-temp-s300-pro-2","title":"Aqua Master Substrate pH\/Temp S300 Pro 2","description":"\u003ch3\u003eAqua Master Substrate pH\/Temp S300 Pro 2\u003c\/h3\u003e\n\u003cp\u003eExclusive to Global Air Supplies, the S300 Pro 2 is the ideal meter to measure the pH and temperature of coconut soil and other moist, soft substrates and liquids. The meter features a modern and robust housing with easy to operate buttons. The S300 Pro 2 includes a pH electrode of unprecedented quality. The meter is delivered fully calibrated and includes batteries.\u003c\/p\u003e\n\u003cp\u003eHow does the meter work?\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eConnect the BNC connector of the electrode to the pH meter and remove the protective cap containing storage solution from the electrode.\u003c\/li\u003e\n\u003cli\u003eRinse the electrode with running water and dry it using clean kitchen paper.\u003c\/li\u003e\n\u003cli\u003ePress the on\/off button to turn on the meter.\u003c\/li\u003e\n\u003cli\u003ePlace the electrode in the (soft) substrate (make sure the substrate is well wet\/damp, otherwise the meter will not work properly) or liquid to be measured.\u003c\/li\u003e\n\u003cli\u003eWait for the value to stabilise. The measurement is now complete.\u003c\/li\u003e\n\u003cli\u003ePress the HOLD button to save the measurement. Do not forget to press the HOLD button again when the meter is used once more.\u003c\/li\u003e\n\u003cli\u003eRinse the electrode with clean water after use, so that no residue is left on the electrode. Replace the electrode in the protective cap containing the storage solution.\u003c\/li\u003e\n\u003cli\u003ePress the on\/off button to turn off the meter.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eWe recommend storing the meter with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.globalairsupplies.co.uk\/product\/aqua-master-kcl-storage-solution-100ml\/\"\u003eKCL storage solution\u003c\/a\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein the protective cover.\u003c\/em\u003e\u003c\/p\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930397077836,"sku":null,"price":138.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/ams300.jpg?v=1752609400"},{"product_id":"aqua-master-replacement-ec-electrode-p700-pro-2","title":"Aqua Master Replacement EC Electrode P700 Pro 2","description":"\u003ch3\u003eAqua Master Replacement EC Electrode P700 Pro 2\u003c\/h3\u003e\n\u003cp\u003eThe Aqua master tools replaceable EC, CF, PPM electrode is easy to connect using the connector.\u003c\/p\u003e\n\u003cp\u003eThe electrode cannot be replaced with most conductivity meters because they generally do not break if properly maintained. However, due to ageing, limescale, leakage in the electrode, or cable breakage due to hardened plastic, the electrode can break. That is why the electrode is replaceable with our meter.\u003c\/p\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930400518476,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/amr700v2probe.jpg?v=1752609481"},{"product_id":"replaceable-ph-electrode-for-h600-pro-substrate-h600-pro-p700-pro-2-s300-pro-2","title":"Replaceable pH Electrode for H600 Pro Substrate, H600 Pro, P700 Pro 2, S300 Pro 2","description":"\u003ch2\u003eReplaceable pH Electrode for H600 Pro Substrate, H600 Pro, P700 Pro 2, S300 Pro 2\u003c\/h2\u003e\n\u003cp\u003eOver time, pH electrodes age, even with good care and regular cleaning, the lifespan will be extended. However, over time, reference fluid will become contaminated and the electrode will continue to respond slowly. The gel-filled electrode will then have to be replaced.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0 – 14.0 pH range;\u003c\/li\u003e\n\u003cli\u003e± 0.1 pH accuracy;\u003c\/li\u003e\n\u003cli\u003e0 – 60 ° C temperature\u003c\/li\u003e\n\u003cli\u003ewaterproof cable connection\u003c\/li\u003e\n\u003cli\u003egel filling (not refillable)\u003c\/li\u003e\n\u003cli\u003eIncludes probe holder with KCL storage fluid – keeps the probe safe\u003c\/li\u003e\n\u003cli\u003eBNC connection;\u003c\/li\u003e\n\u003cli\u003e1 meter cable\u003c\/li\u003e\n\u003cli\u003e6 months warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930406220108,"sku":null,"price":51.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/amr700v21probe.jpg?v=1752609539"},{"product_id":"aqua-master-ec1413-cal-solution-100ml","title":"Aqua Master EC1413 Cal Solution – 100ml","description":"\u003ch2\u003eAqua Master EC1413 Cal Solution – 100ml.\u003c\/h2\u003e\n\u003cp\u003eClose immediately after use. Store between 15-25 °C.\u003c\/p\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930408481100,"sku":null,"price":5.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/AMECS-2_png.webp?v=1752609619"},{"product_id":"aqua-master-kcl-storage-solution-100ml","title":"Aqua Master KCL Storage Solution – 100ml","description":"\u003ch3\u003eAqua Master KCL Storage Solution – 100ml\u003c\/h3\u003e\n\u003cp\u003eTraceable to NIST standard. Close immediately after use. Store between 15-25 °C. Do not return liquid.\u003cbr\u003eThoroughly rinse the electrode before and after each use. Pour some KCI storage solution into the electrode’s protective cover. Place the electrode in the solution.\u003c\/p\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930408743244,"sku":null,"price":6.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/amkci.jpg?v=1752609681"},{"product_id":"aqua-master-ph-4-cal-solution-100ml","title":"Aqua Master pH 4 Cal Solution – 100ml","description":"\u003cp\u003eAqua Master pH 4 Cal Solution – 100ml.\u003c\/p\u003e\n\u003cp\u003eClose immediately after use. Store between 15-25 °C.\u003c\/p\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930409333068,"sku":null,"price":5.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/amph4.jpg?v=1752609740"},{"product_id":"aqua-master-ph-7-cal-solution-100ml","title":"Aqua Master pH 7 Cal Solution – 100ml","description":"\u003cp\u003eAqua Master pH 7 Cal Solution – 100ml.\u003c\/p\u003e\n\u003cp\u003eClose immediately after use. Store between 15-25 °C.\u003c\/p\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930421915980,"sku":null,"price":5.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/amph7.jpg?v=1752609890"},{"product_id":"aqua-master-replacement-probe-p110-pro","title":"Aqua Master Replacement Probe P110 PRO","description":"\u003ch3\u003eAqua Master Replacement Probe P100 PRO\u003c\/h3\u003e\n\u003cp\u003eSuitable for the Combo Pen P110 Pro.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReplacing the electrode:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eProperly unscrew the sealing ring in the lower part of the meter.\u003c\/li\u003e\n\u003cli\u003eRemove the defective\/old electrode by gently pulling it.\u003c\/li\u003e\n\u003cli\u003eCarefully place the new electrode with the recess in the correct position so that the connectors properly connect and do not damage the meter or electrode.\u003c\/li\u003e\n\u003cli\u003eCheck that the rubber seal is properly placed.\u003c\/li\u003e\n\u003cli\u003eTightly tighten the sealing ring.\u003c\/li\u003e\n\u003cli\u003eCalibrate the meter as described in this manual.\u003c\/li\u003e\n\u003cli\u003eThe meter is now ready for use.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Grotech ltd","offers":[{"title":"Default Title","offer_id":52930422538572,"sku":null,"price":40.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/files\/amrp100probe.jpg?v=1752609973"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/9340\/7820\/collections\/amh600pro.jpg?v=1752532719","url":"https:\/\/www.grotech.co.uk\/collections\/water-quality-control.oembed","provider":"Grotech Commercial horticulture","version":"1.0","type":"link"}