{"product_id":"growth-technology-buffer-7","title":"Growth Technology - Buffer 7 Calibration Fluid","description":"```html\n\u003csection class=\"gh-product-listing\"\u003e\n\n\u003ch2\u003eGrowth Technology Buffer 7 Calibration Fluid — pH 7.0 Reference Solution for Accurate Meter Readings\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Growers who want reliable pH meter calibration without guesswork or meter drift\u003c\/p\u003e\n\n\u003cdiv class=\"gh-our-thoughts\" role=\"note\" aria-label=\"Our thoughts\"\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eOur thoughts\u003c\/strong\u003e\u003cbr\u003e\nIf your pH meter's drifting, your whole system's flying blind. This buffer solution is cheap insurance that keeps your readings honest. Pair it with Buffer 4 for proper two-point calibration and you're sorted.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eGrowth Technology Buffer 7 is a \u003cstrong\u003epH 7.0 calibration fluid\u003c\/strong\u003e designed to keep your pH meter accurate and reliable. It's a neutral reference solution that lets you verify your meter's reading against a known standard. Regular calibration sounds fussy, but it's the difference between healthy plants and nutrient lockout. Get it right, and you control your system properly. Ignore it, and drift creeps in.\u003c\/p\u003e\n\n\u003ch3\u003eHow it compares\u003c\/h3\u003e\n\u003cp\u003eThis sits in the straightforward, no-frills tier of calibration fluids.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStandard pH 7.0 neutral reference — the most commonly used calibration point\u003c\/li\u003e\n\u003cli\u003eCompatible with all digital pH meters and controllers\u003c\/li\u003e\n\u003cli\u003eHigh-quality, consistent formulation at a reasonable price point\u003c\/li\u003e\n\u003cli\u003eWorks as a standalone solution, or pair with Buffer 4 for two-point accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYou're not paying for fancy packaging or premium branding here — just a reliable reference solution that does its job properly.\u003c\/p\u003e\n\n\u003ch3\u003eUsage guidance\u003c\/h3\u003e\n\u003cp\u003eCalibration is straightforward once you know the process:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBasic one-point calibration\u003c\/strong\u003e\u003cbr\u003e\nPour a small amount of Buffer 7 into a clean cup. Turn on your pH meter and dip the probe fully into the solution. Wait for the reading to stabilise — usually 30 seconds to a minute. The meter should display 7.0 (or 7.01, depending on how precise your meter is). If it doesn't, use the calibration adjustment dial or menu on your meter to bring it back to 7.0. Then discard the solution — don't reuse it.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTwo-point calibration (the professional way)\u003c\/strong\u003e\u003cbr\u003e\nFor better accuracy, calibrate at two points. Use Buffer 7 first (neutral, pH 7.0), then Buffer 4 (acidic, pH 4.0). This brackets your working range and catches meter drift more reliably. Especially worthwhile if you're running a tight pH window or using cheaper meters that drift quickly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhen to calibrate\u003c\/strong\u003e\u003cbr\u003e\nStart with a fresh calibration every week or two. If you're using a cheap meter, do it weekly. Professional-grade meters can go longer between calibrations, but don't let it slide beyond a month. The moment your readings look odd, suspect meter drift and recalibrate.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eStorage and safety\u003c\/strong\u003e\u003cbr\u003e\nKeep the bottle sealed when not in use. Don't mix used and unused solution. Store at room temperature away from direct sunlight. This isn't hazardous stuff, but treat it as a precision tool — keep it clean and uncontaminated.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003epH Value: \u003cstrong\u003e7.0 (neutral)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStandard Reading: \u003cstrong\u003e7.01 pH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFormat: \u003cstrong\u003eLiquid solution in bottle\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAvailable Sizes: \u003cstrong\u003e300ml, 1L\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eComposition: \u003cstrong\u003eHigh-quality buffered reference solution\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatibility: \u003cstrong\u003eAll digital pH meters and controllers\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho this is for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAny grower running a digital pH meter who wants accurate readings\u003c\/li\u003e\n\u003cli\u003eBeginners learning to manage pH properly from the start\u003c\/li\u003e\n\u003cli\u003eExperienced growers who know meter drift costs them money\u003c\/li\u003e\n\u003cli\u003eAnyone running tight pH windows where 0.5pH out makes a difference\u003c\/li\u003e\n\u003cli\u003eGrowers with cheaper meters that drift quickly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eParticularly useful if you're \u003cstrong\u003eserious about consistency\u003c\/strong\u003e — which you should be if you're monitoring pH in the first place.\u003c\/p\u003e\n\n\u003ch3\u003eOur take\u003c\/h3\u003e\n\u003cp\u003eCalibration sounds like a chore, but it's the cheapest insurance you can buy against nutrient lockout and weak growth. A drifted meter costs you far more in poor results than this bottle ever will. Growth Technology Buffer 7 is reliable, affordable, and does exactly what it should. Pair it with Buffer 4 and you've got proper two-point calibration sorted.\u003c\/p\u003e\n\u003cp\u003eGood time to buy while stock lasts. Your meter will thank you.\u003c\/p\u003e\n\n\u003c\/section\u003e\n```","brand":"GROWTH TECHNOLOGY","offers":[{"title":"300mls","offer_id":47916532465834,"sku":"86386","price":2.49,"currency_code":"GBP","in_stock":true},{"title":"1 Litre","offer_id":47916532498602,"sku":"86385","price":6.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0053\/5540\/5400\/files\/growth_technology_-_buffer_7_group_15f17c01-5a0f-4e3c-89c9-0a78f7dcfd28.jpg?v=1769195420","url":"https:\/\/growershouse.co.uk\/products\/growth-technology-buffer-7","provider":"Growers House ","version":"1.0","type":"link"}