{"title":"Nutrient Control","description":"","products":[{"product_id":"essentials-plus-oxy-12-1l","title":"Essentials PLUS OXY 12% 1L","description":"\u003cp\u003eEssentials PLUS OXY 12% is an additive which increases the oxygen content of your nutrient solution and maintains system cleanliness. 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Flush with clean water after use \u003c\/li\u003e\n\u003cli\u003eTo pre-treat tap water to remove chlorine – 5ml \/ 10L \u003c\/li\u003e\n\u003cli\u003eVolume: 1L \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003ePurchase this with…  \u003cbr\u003e10-485-035 - 10ml Plastic Long Pipette - 1ml increments \u003cbr\u003e10-485-010 - 50ml Plastic Syringe \u003cbr\u003e","brand":"ESSENTIALS","offers":[{"title":"Default Title","offer_id":53420200886615,"sku":"06-265-110","price":4.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/06-265-110.jpg?v=1777300655"},{"product_id":"essentials-plus-oxy-12-5l","title":"Essentials PLUS OXY 12% 5L","description":"\u003cp\u003eEssentials PLUS OXY 12% is an additive which increases the oxygen content of your nutrient solution and maintains system cleanliness. 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Flush with clean water after use \u003c\/li\u003e\n\u003cli\u003eTo pre-treat tap water to remove chlorine – 5ml \/ 10L \u003c\/li\u003e\n\u003cli\u003eVolume: 5L \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003ePurchase this with…  \u003cbr\u003e10-485-035 - 10ml Plastic Long Pipette - 1ml increments \u003cbr\u003e10-485-010 - 50ml Plastic Syringe \u003cbr\u003e","brand":"ESSENTIALS","offers":[{"title":"Default Title","offer_id":53420201247063,"sku":"06-265-115","price":16.8,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/06-265-115.jpg?v=1777300662"},{"product_id":"essentials-ph-meter-with-memory-function","title":"Essentials pH Meter - With Memory Function","description":"\u003cp\u003epH Meters are an essential part of a grow room environment. The ESSENTIALS pH Meters are reliable and hold up to 10 past readings. 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Simply dip the probe in the solution and press the CAL button until CAL appears onscreen.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003cbr\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e\n\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003eEC Meter\u003c\/strong\u003e\u003cbr\u003eEC Check\u003cbr\u003eResolution\u003cbr\u003eAccuracy\u003cbr\u003eBattery\u003cbr\u003eBattery Life\u003cbr\u003eAuto Shut-off\u003cbr\u003eOperating Temperature\u003cbr\u003eTemperature Compensation\u003cbr\u003eDimensions\u003cbr\u003eWeight\u003cbr\u003eMemory Space\u003c\/td\u003e\n\u003ctd\u003e\n\u003cbr\u003e0.1 – 10.0 mS\u003cbr\u003e0.1 mS\u003cbr\u003e+\/- 2% Full Scale\u003cbr\u003e4 x 1.5 V button cell\u003cbr\u003eApproximately 100 hours\u003cbr\u003eApproximately 15 minutes\u003cbr\u003e0 °C – 50 °C\u003cbr\u003eAutomatic from 0°C – 70°C\u003cbr\u003e170 x 32 x 15 mm\u003cbr\u003eApproximately 70 g\u003cbr\u003e10 readings\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003cbr\u003e\u003cstrong\u003eScience Behind the Product\u003c\/strong\u003e\u003cbr\u003epH meters work by taking readings of the pH levels of a solution. They are equipped with sensors, which when immersed in a liquid give the reading of what levels the solution is at. It is pivotal to regularly calibrate the machine\/sensors as it is a scientific piece of equipment which requires simple maintenance.\u003cbr\u003e\u003cstrong\u003eRecommended additional purchases:\u003c\/strong\u003e\u003cbr\u003e09-430-210 VitaLink Essentials CF Calibration Fluid\u003cbr\u003e09-430-230 VitaLink Essentials Buffer 4\u003cbr\u003e09-430-250 VitaLink Essentials Buffer 7\u003cbr\u003e09-430-260 VitaLink Essentials Meter Store","brand":"ESSENTIALS","offers":[{"title":"Default Title","offer_id":53420893438295,"sku":"09-415-022","price":39.8,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/09-415-022_2.jpg?v=1777303315"},{"product_id":"essentials-lab-30-ph-250ml","title":"Essentials LAB 30% pH- 250ml","description":"\u003cp\u003eEssentials LAB 30% pH- is an acid solution (30% phosphoric acid) which can be used in small, controlled doses to lower the pH (increase acidity) of nutrient solutions. Mix thoroughly and measure with a calibrated pH meter to attain the desired pH reading. Ideal for adjusting large volumes of nutrient solution.   \u003cbr\u003eKey selling points:  \u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConcentrated acid solution \u003c\/li\u003e\n\u003cli\u003eCan adjust the pH of large volumes of nutrient solution \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eTechnical Specifications:   \u003cbr\u003e\u003cul\u003e\n\u003cli\u003e30% phosphoric acid \u003c\/li\u003e\n\u003cli\u003eThis product falls below the concentration threshold for Regulated Substances under The Control of Poisons and Explosives Precursors Regulations 2023.   \u003c\/li\u003e\n\u003cli\u003epH: \u0026lt;1.0 \u003c\/li\u003e\n\u003cli\u003eVolume: 250 ml \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eFAQs:  \u003cbr\u003eQ: How should I use Essentials LAB 30% pH- to adjust the pH level of my nutrient solution? \u003cbr\u003eA: First, carefully check the pH of your nutrient solution. If the pH reading is too high, then the solution is not sufficiently acidic. Add a small, measured amount of Essentials LAB 30% pH- to your nutrient reservoir and mix thoroughly. Check the pH level again and note how much it has changed. You now know how much a certain dosage of Essentials LAB 30% pH- has lowered the pH in your reservoir, and from this you can judge how much more, if any, you need to add to achieve the desired pH level. \u003cbr\u003eQ: The pH level of my solution is already low. What should I do? \u003cbr\u003eA: If the pH is within the recommended range, you should do nothing. But if the pH is too low, then you should use Essentials LAB pH+ to adjust it to a higher level, within the recommended range. \u003cbr\u003e \u003cbr\u003ePurchase this with…  \u003cbr\u003e09-410-022 - Essentials pH Meter - With Memory Function \u003cbr\u003e09-420-070 - Essentials LAB pH+ 250ml \u003cbr\u003e10-485-035 - 10ml Plastic Long Pipette - 1ml increments \u003cbr\u003e","brand":"ESSENTIALS","offers":[{"title":"Default Title","offer_id":53420894683479,"sku":"09-420-005","price":3.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/09-420-005_1.png?v=1777303332"},{"product_id":"essentials-lab-30-ph-1l","title":"Essentials LAB 30% pH- 1L","description":"\u003cp\u003eEssentials LAB 30% pH- is an acid solution (30% phosphoric acid) which can be used in small, controlled doses to lower the pH (increase acidity) of nutrient solutions. Mix thoroughly and measure with a calibrated pH meter to attain the desired pH reading. Ideal for adjusting large volumes of nutrient solution.   \u003cbr\u003eKey selling points:  \u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConcentrated acid solution \u003c\/li\u003e\n\u003cli\u003eCan adjust the pH of large volumes of nutrient solution \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eTechnical Specifications:   \u003cbr\u003e\u003cul\u003e\n\u003cli\u003e30% phosphoric acid \u003c\/li\u003e\n\u003cli\u003eThis product falls below the concentration threshold for Regulated Substances under The Control of Poisons and Explosives Precursors Regulations 2023.   \u003c\/li\u003e\n\u003cli\u003epH: \u0026lt;1.0 \u003c\/li\u003e\n\u003cli\u003eVolume: 1 L \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eFAQs:  \u003cbr\u003eQ: How should I use Essentials LAB 30% pH- to adjust the pH level of my nutrient solution? \u003cbr\u003eA: First, carefully check the pH of your nutrient solution. If the pH reading is too high, then the solution is not sufficiently acidic. Add a small, measured amount of Essentials LAB 30% pH- to your nutrient reservoir and mix thoroughly. Check the pH level again and note how much it has changed. You now know how much a certain dosage of Essentials LAB 30% pH- has lowered the pH in your reservoir, and from this you can judge how much more, if any, you need to add to achieve the desired pH level. \u003cbr\u003eQ: The pH level of my solution is already low. What should I do? \u003cbr\u003eA: If the pH is within the recommended range, you should do nothing. But if the pH is too low, then you should use Essentials LAB pH+ to adjust it to a higher level, within the recommended range. \u003cbr\u003e \u003cbr\u003ePurchase this with…  \u003cbr\u003e09-410-022 - Essentials pH Meter - With Memory Function \u003cbr\u003e09-420-070 - Essentials LAB pH+ 250ml \u003cbr\u003e10-485-035 - 10ml Plastic Long Pipette - 1ml increments \u003cbr\u003e \u003cbr\u003e \u003cbr\u003e","brand":"ESSENTIALS","offers":[{"title":"Default Title","offer_id":53420895174999,"sku":"09-420-010","price":7.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/09-420-010_1.png?v=1777303341"},{"product_id":"essentials-lab-30-ph-5l","title":"Essentials LAB 30% pH- 5L","description":"\u003cp\u003eEssentials LAB 30% pH- is an acid solution (30% phosphoric acid) which can be used in small, controlled doses to lower the pH (increase acidity) of nutrient solutions. Mix thoroughly and measure with a calibrated pH meter to attain the desired pH reading. Ideal for adjusting large volumes of nutrient solution.   \u003cbr\u003eKey selling points:  \u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConcentrated acid solution \u003c\/li\u003e\n\u003cli\u003eCan adjust the pH of large volumes of nutrient solution \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eTechnical Specifications:   \u003cbr\u003e\u003cul\u003e\n\u003cli\u003e30% phosphoric acid \u003c\/li\u003e\n\u003cli\u003eThis product falls below the concentration threshold for Regulated Substances under The Control of Poisons and Explosives Precursors Regulations 2023.   \u003c\/li\u003e\n\u003cli\u003epH: \u0026lt;1.0 \u003c\/li\u003e\n\u003cli\u003eVolume: 1 L \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eFAQs:  \u003cbr\u003eQ: How should I use Essentials LAB 30% pH- to adjust the pH level of my nutrient solution? \u003cbr\u003eA: First, carefully check the pH of your nutrient solution. If the pH reading is too high, then the solution is not sufficiently acidic. Add a small, measured amount of Essentials LAB 30% pH- to your nutrient reservoir and mix thoroughly. Check the pH level again and note how much it has changed. You now know how much a certain dosage of Essentials LAB 30% pH- has lowered the pH in your reservoir, and from this you can judge how much more, if any, you need to add to achieve the desired pH level. \u003cbr\u003eQ: The pH level of my solution is already low. What should I do? \u003cbr\u003eA: If the pH is within the recommended range, you should do nothing. But if the pH is too low, then you should use Essentials LAB pH+ to adjust it to a higher level, within the recommended range. \u003cbr\u003e \u003cbr\u003ePurchase this with…  \u003cbr\u003e09-410-022 - Essentials pH Meter - With Memory Function \u003cbr\u003e09-420-070 - Essentials LAB pH+ 250ml \u003cbr\u003e10-485-035 - 10ml Plastic Long Pipette - 1ml increments","brand":"ESSENTIALS","offers":[{"title":"Default Title","offer_id":53420895863127,"sku":"09-420-015","price":28.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/09-420-015_1.jpg?v=1777303348"},{"product_id":"canna-organic-ph-1l","title":"CANNA Organic pH- 1L","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eCANNA Organic Acid can be used as an organic alternative for CANNA pH-. It can be used to bring down the pH values in your water or substrate. Maintaining the right pH value is crucial for your plant's ability to take up nutrients. 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Keep adding Bio·Down until you reach the optimal pH range of 6.2-6.5 and you are ready to give the nutrient mix to your plants.","brand":"BIOBIZZ","offers":[{"title":"Default Title","offer_id":53420900090199,"sku":"09-420-220","price":12.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/09-420-220_09-420-220_1.jpg?v=1777303398"},{"product_id":"biobizz-bio-down-5l","title":"Biobizz Bio-Down 5L","description":"\u003cp\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat is Bio·Down?\u003c\/strong\u003e\u003c\/h3\u003eBio·Down has been designed especially for the organic farming sector. Correcting pH in a natural way is essential for plants to absorb the maximum amount of nutrients. 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Keep adding Bio·Up until you reach the optimal pH range of 6.2-6.5 and you are ready to give the nutrient mix to your plants.","brand":"BIOBIZZ","offers":[{"title":"Default Title","offer_id":53420900778327,"sku":"09-420-240","price":3.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/09-420-240_09-420-240_1.jpg?v=1777303413"},{"product_id":"biobizz-bio-up-500ml","title":"Biobizz Bio-Up 500ml","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat is Bio·Up?\u003c\/strong\u003e\u003c\/h3\u003eBio·Up has been designed especially for the organic farming sector. Correcting pH in a natural way is essential for plants to absorb the maximum amount of nutrients. 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Regular calibration will keep your EC Meter reading accurately.  \u003cbr\u003eKey selling points:  \u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHighly accurate calibration solution  \u003c\/li\u003e\n\u003cli\u003eEnsures that your EC Meter is reading correctly \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eTechnical Specifications:   \u003cbr\u003e\u003cul\u003e\n\u003cli\u003ePotassium Chloride solution   \u003c\/li\u003e\n\u003cli\u003eElectrical Conductivity: 2.8ms\/cm @20°C \u003c\/li\u003e\n\u003cli\u003ePH 4 - 5 \u003c\/li\u003e\n\u003cli\u003eVolume: 250ml \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eFAQs:  \u003cbr\u003eQ: When should I calibrate my EC meter, and why do I need to do it? \u003cbr\u003eA: The performance of an EC meter will change with time due to aging. To ensure it is working correctly, regular calibration is a must. If you are using your EC meter daily, you should calibrate it at least once a week. \u003cbr\u003eQ: How should I use Essentials LAB EC Meter Calibration Solution to calibrate my pH meter? \u003cbr\u003eA: Ensure that your EC meter and the calibration solution are at similar temperatures, by keeping them in the same place for a while. Shake the bottle before use. Always pour a small amount into another container to test EC, and do not place your EC probe directly into the bottle. This will avoid contamination of the calibration solution in the bottle and will maintain its accuracy. After use, discard the solution used for calibration, and never put it back into the bottle. Follow the calibration instructions provided with your EC Meter.  \u003cbr\u003eQ: How should I store LAB EC Meter Calibration Solution? \u003cbr\u003eA: Always keep the bottle upright with the cap screwed tight to avoid evaporation or spillage. Store your calibration solution at temperatures between 5°C and 25°C, and out of direct sunlight. \u003cbr\u003e \u003cbr\u003ePurchase this with…  \u003cbr\u003e09-415-022 - Essentials EC Meter - With Memory Function \u003cbr\u003e","brand":"ESSENTIALS","offers":[{"title":"Default Title","offer_id":53420904808791,"sku":"09-430-005","price":2.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/09-430-005.png?v=1777303452"},{"product_id":"essentials-lab-buffer-4-250ml","title":"Essentials LAB Buffer 4 250ml","description":"\u003cp\u003eEssentials LAB Buffer 4 is an ideal solution for calibration of pH meters at pH4. Regular calibration will keep your pH meter reading accurately.  \u003cbr\u003eKey selling points:  \u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHighly accurate pH4 solution \u003c\/li\u003e\n\u003cli\u003eEnsures that your pH meter is reading correctly \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eTechnical Specifications:   \u003cbr\u003e\u003cul\u003e\n\u003cli\u003eAcidity level: pH4 \u003c\/li\u003e\n\u003cli\u003eVolume: 250ml \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eFAQs:  \u003cbr\u003eQ: When should I calibrate my pH meter, and why do I need to do it? \u003cbr\u003eA: The performance of a pH electrode or pH meter will change with time due to aging because as the electrode is used its coating degrades, to ensure it is working correctly, regular calibration is a must. If you are using your pH meter daily, you should calibrate it at least once a week. \u003cbr\u003eQ: How should I use Essentials LAB Buffer 4 to calibrate my pH meter? \u003cbr\u003eA: Ensure that your pH meter and the Buffer 4 solution are at similar temperatures, by keeping them in the same place for a while. Shake the bottle before use. Always pour a small amount into another container to test pH, and do not place your pH probe directly into the bottle. This will avoid contamination of the Buffer 4 in the bottle and will maintain its accuracy. After use, discard the solution used for calibration, and never put it back into the bottle. Follow the calibration instructions provided with your pH Meter. For more accurate, 2-point calibration, also use Essentials LAB Buffer 7. \u003cbr\u003eQ: How should I store Essentials LAB Buffer 4? \u003cbr\u003eA: Always keep the bottle upright with the cap screwed tight to avoid evaporation or spillage. Store your Buffer 4 at temperatures between 5°C and 25°C, and out of direct sunlight. \u003cbr\u003e \u003cbr\u003ePurchase this with…  \u003cbr\u003e09-430-025 – Essentials LAB Buffer 7 250ml \u003cbr\u003e09-410-022 - Essentials pH Meter - With Memory Function \u003cbr\u003e09-430-100 - Essentials LAB pH Meter Store \u003cbr\u003e \u003cbr\u003e","brand":"ESSENTIALS","offers":[{"title":"Default Title","offer_id":53420905136471,"sku":"09-430-015","price":2.8,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/09-430-015_1.png?v=1777303460"},{"product_id":"essentials-lab-buffer-4-1l","title":"Essentials LAB Buffer 4 1L","description":"\u003cp\u003eEssentials LAB Buffer 4 is an ideal solution for calibration of pH meters at pH4. Regular calibration will keep your pH meter reading accurately.  \u003cbr\u003eKey selling points:  \u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHighly accurate pH4 solution \u003c\/li\u003e\n\u003cli\u003eEnsures that your pH meter is reading correctly \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eTechnical Specifications:   \u003cbr\u003e\u003cul\u003e\n\u003cli\u003eAcidity level: pH4 \u003c\/li\u003e\n\u003cli\u003eVolume: 1L \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eFAQs:  \u003cbr\u003eQ: When should I calibrate my pH meter, and why do I need to do it? \u003cbr\u003eA: The performance of a pH electrode or pH meter will change with time due to aging because as the electrode is used its coating degrades, to ensure it is working correctly, regular calibration is a must. If you are using your pH meter daily, you should calibrate it at least once a week. \u003cbr\u003eQ: How should I use Essentials LAB Buffer 4 to calibrate my pH meter? \u003cbr\u003eA: Ensure that your pH meter and the Buffer 4 solution are at similar temperatures, by keeping them in the same place for a while. Shake the bottle before use. Always pour a small amount into another container to test pH, and do not place your pH probe directly into the bottle. This will avoid contamination of the Buffer 4 in the bottle and will maintain its accuracy. After use, discard the solution used for calibration, and never put it back into the bottle. Follow the calibration instructions provided with your pH Meter. For more accurate, 2-point calibration, also use Essentials LAB Buffer 7. \u003cbr\u003eQ: How should I store Essentials LAB Buffer 4? \u003cbr\u003eA: Always keep the bottle upright with the cap screwed tight to avoid evaporation or spillage. Store your Buffer 4 at temperatures between 5°C and 25°C, and out of direct sunlight. \u003cbr\u003e \u003cbr\u003ePurchase this with…  \u003cbr\u003e09-430-030 – Essentials LAB Buffer 7 1L \u003cbr\u003e09-410-022 - Essentials pH Meter - With Memory Function \u003cbr\u003e09-430-100 - Essentials LAB pH Meter Store \u003cbr\u003e \u003cbr\u003e","brand":"ESSENTIALS","offers":[{"title":"Default Title","offer_id":53420905529687,"sku":"09-430-020","price":5.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/09-430-020_1.png?v=1777303468"},{"product_id":"essentials-lab-buffer-7-250ml","title":"Essentials LAB Buffer 7 250ml","description":"\u003cp\u003eEssentials LAB Buffer 7 is an ideal solution for calibration of pH meters at pH7. Regular calibration will keep your pH meter reading accurately.  \u003cbr\u003eKey selling points:  \u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHighly accurate pH7 solution \u003c\/li\u003e\n\u003cli\u003eEnsures that your pH meter is reading correctly \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eTechnical Specifications:   \u003cbr\u003e\u003cul\u003e\n\u003cli\u003eAcidity level: pH7 (Neutral) \u003c\/li\u003e\n\u003cli\u003eVolume: 250ml \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eFAQs:  \u003cbr\u003eQ: When should I calibrate my pH meter, and why do I need to do it? \u003cbr\u003eA: The performance of a pH electrode or pH meter will change with time due to aging because as the electrode is used its coating degrades, to ensure it is working correctly, regular calibration is a must. If you are using your pH meter daily, you should calibrate it at least once a week. \u003cbr\u003eQ: How should I use Essentials LAB Buffer 7 to calibrate my pH meter? \u003cbr\u003eA: Ensure that your pH meter and the Buffer 7 solution are at similar temperatures, by keeping them in the same place for a while. Shake the bottle before use. Always pour a small amount into another container to test pH, and do not place your pH probe directly into the bottle. This will avoid contamination of the Buffer 7 in the bottle and will maintain its accuracy. After use, discard the solution used for calibration, and never put it back into the bottle. Follow the calibration instructions provided with your pH Meter. For more accurate, 2-point calibration, also use Essentials LAB Buffer 4. \u003cbr\u003eQ: How should I store Essentials LAB Buffer 7? \u003cbr\u003eA: Always keep the bottle upright with the cap screwed tight to avoid evaporation or spillage. Store your Buffer 7 at temperatures between 5°C and 25°C, and out of direct sunlight. \u003cbr\u003e \u003cbr\u003ePurchase this with…  \u003cbr\u003e09-430-015 – Essentials LAB Buffer 4 250ml \u003cbr\u003e09-410-022 - Essentials pH Meter - With Memory Function \u003cbr\u003e09-430-100 - Essentials LAB pH Meter Store \u003cbr\u003e \u003cbr\u003e","brand":"ESSENTIALS","offers":[{"title":"Default Title","offer_id":53420905890135,"sku":"09-430-025","price":2.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/09-430-025_1.png?v=1777303476"},{"product_id":"essentials-lab-buffer-7-1l","title":"Essentials LAB Buffer 7 1L","description":"\u003cp\u003eEssentials LAB Buffer 7 is an ideal solution for calibration of pH meters at pH7. Regular calibration will keep your pH meter reading accurately.  \u003cbr\u003eKey selling points:  \u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHighly accurate pH7 solution \u003c\/li\u003e\n\u003cli\u003eEnsures that your pH meter is reading correctly \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eTechnical Specifications:   \u003cbr\u003e\u003cul\u003e\n\u003cli\u003eAcidity level: pH7 (Neutral) \u003c\/li\u003e\n\u003cli\u003eVolume: 1L \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003eFAQs:  \u003cbr\u003eQ: When should I calibrate my pH meter, and why do I need to do it? \u003cbr\u003eA: The performance of a pH electrode or pH meter will change with time due to aging because as the electrode is used its coating degrades, to ensure it is working correctly, regular calibration is a must. If you are using your pH meter daily, you should calibrate it at least once a week. \u003cbr\u003eQ: How should I use Essentials LAB Buffer 7 to calibrate my pH meter? \u003cbr\u003eA: Ensure that your pH meter and the Buffer 7 solution are at similar temperatures, by keeping them in the same place for a while. Shake the bottle before use. Always pour a small amount into another container to test pH, and do not place your pH probe directly into the bottle. This will avoid contamination of the Buffer 7 in the bottle and will maintain its accuracy. After use, discard the solution used for calibration, and never put it back into the bottle. Follow the calibration instructions provided with your pH Meter. For more accurate, 2-point calibration, also use Essentials LAB Buffer 4. \u003cbr\u003eQ: How should I store Essentials LAB Buffer 7? \u003cbr\u003eA: Always keep the bottle upright with the cap screwed tight to avoid evaporation or spillage. 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To achieve this, place them in the same room several hours prior to performing calibration.\u003cbr\u003eAvailable in 250ml and 1L bottles.\u003c\/p\u003e","brand":"ESSENTIALS","offers":[{"title":"Default Title","offer_id":53420906905943,"sku":"09-430-250","price":3.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/09-430-250_09-430-250_1.jpg?v=1777303501"},{"product_id":"bluelab-ph-pen","title":"Bluelab pH Pen","description":"","brand":"BLUELAB","offers":[{"title":"Default Title","offer_id":53420926107991,"sku":"09-445-105","price":91.8,"currency_code":"GBP","in_stock":true}]},{"product_id":"bluelab-conductivity-pen","title":"Bluelab Conductivity Pen","description":"","brand":"BLUELAB","offers":[{"title":"Default Title","offer_id":53420926435671,"sku":"09-445-120","price":81.7,"currency_code":"GBP","in_stock":true}]},{"product_id":"bluelab-onepen","title":"Bluelab 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