{"title":"Bluelab","description":"\u003cp\u003eBluelab for indoor growing, part of our Tools range at Roots2Riches. UK stock with fast dispatch.\u003c\/p\u003e","products":[{"product_id":"bluelab-combo-meter","title":"Bluelab Combo Meter — Portable pH, EC \u0026 Temperature","description":"\u003ch2\u003eBluelab Combo Meter — Portable pH, EC \u0026amp; Temperature\u003c\/h2\u003e\n\u003cp\u003eThe single most useful measuring tool a hydroponic grower can own — Bluelab's portable Combo Meter reads pH, conductivity and temperature in your nutrient solution in seconds. If you're seeing yellow leaves or stunted growth and can't figure out why, the Combo Meter will tell you within ten seconds whether your nutrient, pH or solution temperature is the cause.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose the Bluelab Combo Meter:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree critical readings in one device\u003c\/strong\u003e — pH, conductivity (EC\/ppm\/CF) and temperature, all from a single dip\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable, take it to the reservoir\u003c\/strong\u003e — no pulling samples for lab tests, just dip and read\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast, accurate readings\u003c\/strong\u003e — industry-standard Bluelab accuracy, trusted by commercial growers worldwide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaceable probes\u003c\/strong\u003e — when the pH probe eventually wears out (they all do), replace just the probe, not the meter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEssential for troubleshooting\u003c\/strong\u003e — yellow leaves, slow growth, nutrient lockout — the Combo Meter diagnoses the cause instantly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible display units\u003c\/strong\u003e — reads EC \/ ppm 500 \/ ppm 700 \/ CF \/ TDS depending on your preference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eFor permanent reservoir monitoring, the Bluelab Guardian (which mounts on your wall and reads continuously) makes more sense — the Combo is a portable hand-held. For media-based grows (soil, coco) where you need to measure pH in the root zone itself, the Bluelab Multimedia pH Meter is better. Needs periodic calibration — pH 4 and pH 7 buffer solutions sold separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSee it running in our Stone shop.\u003c\/strong\u003e Drop by Unit 24, Emerald Way, Stone Business Park (ST15 0SR) to see this fixture set up, or call us on \u003ca href=\"tel:01785556355\"\u003e01785 556355\u003c\/a\u003e (Mon–Fri, 10am–5pm) to talk through whether it's the right choice for your tent size and grow style. In stock now with 24hr UK dispatch, or choose click \u0026amp; collect at checkout.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":55799169909118,"sku":"32630613","price":224.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/oip_8__1_5.jpg?v=1750353026"},{"product_id":"bluelab-ec-2-77-solution-250ml","title":"Bluelab EC 2.77 Conductivity Standard Solution 250ml","description":"\u003ch2\u003eBluelab EC 2.77 Conductivity Standard Solution 250ml — Lab-Standard Calibration\u003c\/h2\u003e\n\u003cp\u003eEnsure the accuracy of your Bluelab EC products — Bluelab 2.77 EC Conductivity Standard Solution is essential for maintaining ongoing accuracy of conductivity meters and pens. Available in 250ml and 500ml bottles. Designed for quick easy testing of EC products after regular cleaning. Use to calibrate Bluelab EC meters, Truncheon, and any conductivity instrument that needs proper reference.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose Bluelab EC 2.77 Solution:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLab-standard reference solution\u003c\/strong\u003e — referenced to high laboratory standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpecifically for EC meter calibration\u003c\/strong\u003e — purpose-formulated chemistry\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with all Bluelab EC products\u003c\/strong\u003e — guaranteed Bluelab compatibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorks with any EC meter brand\u003c\/strong\u003e — EC calibration chemistry is universal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e250ml practical size\u003c\/strong\u003e — enough for many calibration sessions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecommended every 2-4 weeks\u003c\/strong\u003e — standard calibration schedule for serious growers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2.77 mS\/cm reference point\u003c\/strong\u003e — middle of typical growing solution range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eDon't reuse solution after probe contact — pour a small amount into a separate container, calibrate, then discard. Contaminated solution gives bad calibration, defeating the purpose. Keep bottle sealed between uses; air exposure degrades accuracy over months. For two-point EC calibration (significantly more accurate), use both 2.77 mS\/cm AND another reference point. For budget alternatives, generic EC calibration solutions cost less but lack Bluelab's lab-traceable reference standard.\u003c\/p\u003e\n\n\u003cp\u003eIn stock now — ships same working day from our Staffordshire warehouse with free UK delivery over £100. Pick up in-store at our Stone shop (ST15 0SR) if you're local, or click \u0026amp; collect at checkout.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":55799170433406,"sku":"32630343","price":6.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/oip_10__5.jpg?v=1750353040"},{"product_id":"bluelab-guardian-monitor","title":"Bluelab Guardian Monitor — pH, EC \u0026 Temperature","description":"\u003ch2\u003eBluelab Guardian Monitor — 3-in-1 pH, EC \u0026amp; Temperature Display\u003c\/h2\u003e\n\u003cp\u003eThe Bluelab Guardian sits permanently on your reservoir wall and shows you the three numbers that actually matter — pH, conductivity (EC\/ppm\/TDS\/CF) and temperature — in one glance, 24\/7. For growers who want to stop pulling probes in and out of their solution and start monitoring continuously.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose the Guardian Monitor:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree critical parameters at a glance\u003c\/strong\u003e — no pulling pens out of a drawer, no waiting for readings to stabilise\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContinuous in-tank monitoring\u003c\/strong\u003e — catches problems instantly instead of between weekly checks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible display units\u003c\/strong\u003e — reads EC \/ ppm 500 \/ ppm 700 \/ TDS \/ CF depending on your preference\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh\/low alarm settings\u003c\/strong\u003e — alerts you when parameters drift outside the range you've set\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluelab accuracy and build quality\u003c\/strong\u003e — trusted industry-wide, Kiwi-engineered probes, replaceable probe heads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount-and-forget\u003c\/strong\u003e — wall-mounts or sits on the shelf, probes drop into your reservoir permanently\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eIf you're hand-watering in soil, a portable Bluelab Combo Meter is probably what you want instead — the Guardian only makes sense for recirculating hydroponic systems or permanent nutrient reservoirs. Note: you'll need to calibrate the pH probe periodically (a small bottle of Bluelab pH 4 \u0026amp; pH 7 buffer solution — we stock it).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvailable to collect from our Stone shop\u003c\/strong\u003e at Unit 24, Emerald Way, ST15 0SR — or ships the same working day from our UK warehouse. Not sure if this is the right fit? Give us a ring on \u003ca href=\"tel:01785556355\"\u003e01785 556355\u003c\/a\u003e or email \u003ca href=\"mailto:sales@roots2riches.com\"\u003esales@roots2riches.com\u003c\/a\u003e — we're growers ourselves, happy to help.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":55799170498942,"sku":"32630630","price":259.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/download_2__3_3.jpg?v=1750353048"},{"product_id":"bluelab-multimedia-ph-meter","title":"Bluelab Multimedia pH Meter with Leap pH Probe","description":"\u003ch2\u003eBluelab Multimedia pH Meter with Leap pH Probe\u003c\/h2\u003e\n\u003cp\u003eA portable pH meter that works where most pens don't — directly in soil, coco, rockwool and nutrient solution. The Leap probe's spear-point design lets you measure pH exactly where the roots live, giving you accurate readings in media, not just reservoir water. For growers who've outgrown basic pH pens.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose the Multimedia pH Meter:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorks in soil, coco, rockwool AND solution\u003c\/strong\u003e — one meter, one probe, every grow medium covered\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluelab Leap probe included\u003c\/strong\u003e — stainless steel spear design penetrates media without damage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast, accurate readings\u003c\/strong\u003e — industry-standard Bluelab accuracy and calibration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable hand-held format\u003c\/strong\u003e — moves with you between reservoir, pots, propagation trays\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaceable probe head\u003c\/strong\u003e — when the probe wears out (they all do), just replace the probe, not the meter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof body\u003c\/strong\u003e — survives being dropped in the reservoir, unlike budget pH pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eIf you only work with nutrient solution (pure DWC, NFT), the cheaper Bluelab pH Pen is fine. The Multimedia's advantage is measuring pH in the actual growing medium around the roots — only useful if you're in soil or coco. Needs calibration with pH 4 and pH 7 buffer (we stock it separately).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvailable to collect from our Stone shop\u003c\/strong\u003e at Unit 24, Emerald Way, ST15 0SR — or ships the same working day from our UK warehouse. Not sure if this is the right fit? Give us a ring on \u003ca href=\"tel:01785556355\"\u003e01785 556355\u003c\/a\u003e or email \u003ca href=\"mailto:sales@roots2riches.com\"\u003esales@roots2riches.com\u003c\/a\u003e — we're growers ourselves, happy to help.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":55799170695550,"sku":"32630705","price":219.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/oip_12__4.jpg?v=1750353056"},{"product_id":"bluelab-ph-4-0-solution-250ml","title":"Bluelab pH 4.0 Calibration Solution — 250ml","description":"\u003ch2\u003eBluelab pH 4.0 Calibration Solution — 250ml\u003c\/h2\u003e\n\u003cp\u003eThe pH 4.0 calibration buffer solution for all Bluelab pH meters — one of the two solutions you need to keep your pH readings accurate. Without regular calibration, pH pens drift over time and give readings that aren't what they claim to be; with calibration, Bluelab accuracy is maintained for years.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers need calibration solution:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalibrates Bluelab pH meters to the 4.0 reference point\u003c\/strong\u003e — half of the two-point calibration (with pH 7.0 solution)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEssential for accuracy\u003c\/strong\u003e — uncalibrated pH pens drift; a reading of 6.0 might actually be 5.5 or 6.5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalibrate every 2-4 weeks\u003c\/strong\u003e — standard practice for any serious hydroponic grower\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e250ml bottle\u003c\/strong\u003e — enough for many months of regular calibration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorks with all Bluelab pH meters\u003c\/strong\u003e — Combo, Guardian, Multimedia, pH Pen\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eYou need pH 7.0 solution too for two-point calibration — buy both, not just one. Don't reuse solution after it's touched the probe; pour small amounts into a separate cup, calibrate, then discard.\u003c\/p\u003e\n\n\u003cp\u003eIn stock now — ships same working day from our Staffordshire warehouse with free UK delivery over £100. Pick up in-store at our Stone shop (ST15 0SR) if you're local, or click \u0026amp; collect at checkout.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":55799172137342,"sku":"32630318","price":6.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/oip_13__1_1.jpg?v=1750353063"},{"product_id":"bluelab-ph-7-0-solution-250ml","title":"Bluelab pH 7.0 Solution 250ml — Premium Calibration Buffer","description":"\u003ch2\u003eBluelab pH 7.0 Solution 250ml — Lab-Standard Calibration Buffer\u003c\/h2\u003e\n\u003cp\u003eBluelab Calibration Solutions are an essential part of a serious grower's toolbox — manufactured specifically for the calibration process and referenced to high laboratory standards by Bluelab. Required for the calibration of pH meters, pH monitors, and controllers. Regular cleaning and calibrating of pH measuring equipment ensures accurate readings, which directly impacts the success of every grow.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose Bluelab pH 7.0:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLab-standard reference\u003c\/strong\u003e — referenced to high laboratory standards, not generic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpecifically for pH meter calibration\u003c\/strong\u003e — purpose-formulated chemistry\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePair with pH 4.0 solution\u003c\/strong\u003e — two-point calibration is significantly more accurate than single-point\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with all Bluelab meters\u003c\/strong\u003e — guaranteed Bluelab compatibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorks with any pH meter brand\u003c\/strong\u003e — pH calibration chemistry is universal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e250ml premium size\u003c\/strong\u003e — enough for many calibration sessions, sealed storage life\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecommended every 2-4 weeks\u003c\/strong\u003e — standard calibration schedule for serious growers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eDon't reuse solution after probe contact — pour a small amount into a separate container, calibrate, then discard. Contaminated solution gives bad calibration, defeating the purpose. Keep bottle sealed between uses; air exposure degrades accuracy over months. For budget calibration, Growth Technology pH 7 Buffer at lower cost works adequately for most home growers; Bluelab is laboratory-grade for those who want maximum accuracy.\u003c\/p\u003e\n\n\u003cp\u003eIn stock now — ships same working day from our Staffordshire warehouse with free UK delivery over £100. Pick up in-store at our Stone shop (ST15 0SR) if you're local, or click \u0026amp; collect at checkout.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":55799172596094,"sku":"32630325","price":6.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/download_3__6.jpg?v=1750353070"},{"product_id":"bluelab-ph-and-ec-care-kit","title":"Bluelab pH \u0026 EC Care Kit — Probe Maintenance Essentials","description":"\u003ch2\u003eBluelab pH \u0026amp; EC Care Kit — Probe Cleaning \u0026amp; Calibration Essentials\u003c\/h2\u003e\n\u003cp\u003eEverything needed to clean, hydrate, and calibrate Bluelab pH probes plus clean and test conductivity (EC\/PPM) probes — all in one kit. Proper probe maintenance directly improves reading accuracy and maximises probe lifespan. The probe surface is where the instrument takes its reading, so keeping it clean and properly hydrated matters more than most growers realise.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose the Bluelab Care Kit:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete probe-maintenance solution\u003c\/strong\u003e — pH and EC all covered in one kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003epH probe cleaning + hydration + calibration\u003c\/strong\u003e — the full maintenance cycle covered\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEC probe cleaning + testing solution\u003c\/strong\u003e — keep conductivity readings accurate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtends probe lifespan significantly\u003c\/strong\u003e — well-maintained probes last years longer than neglected ones\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximises reading accuracy\u003c\/strong\u003e — clean probes give truthful readings, not drifted values\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSaves money over time\u003c\/strong\u003e — buying replacement probes costs more than keeping current ones alive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine Bluelab kit\u003c\/strong\u003e — guaranteed compatibility with Bluelab pens and meters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eSpecifically for Bluelab pH and EC probes — the same principles apply to other brands but the solutions are formulated for Bluelab probe chemistry. If you only need pH calibration (no EC meter), individual pH 4 \/ pH 7 \/ KCL storage solutions are sold separately at lower cost than the full kit. Proper maintenance still requires actually doing it; the kit doesn't maintain probes for you.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvailable to collect from our Stone shop\u003c\/strong\u003e at Unit 24, Emerald Way, ST15 0SR — or ships the same working day from our UK warehouse. Not sure if this is the right fit? Give us a ring on \u003ca href=\"tel:01785556355\"\u003e01785 556355\u003c\/a\u003e or email \u003ca href=\"mailto:sales@roots2riches.com\"\u003esales@roots2riches.com\u003c\/a\u003e — we're growers ourselves, happy to help.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":55799172628862,"sku":"39881272","price":22.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/oip_14__1.jpg?v=1750353078"},{"product_id":"bluelab-ph-pen","title":"Bluelab pH Pen — Handheld pH Meter","description":"\u003ch2\u003eBluelab pH Pen — The Handheld Standard\u003c\/h2\u003e\n\u003cp\u003eThe ultimate hand-held pH meter for growers — accurate, robust, and simple to use. The Bluelab pH Pen is the pen most UK growers settle on after trying cheaper alternatives; Bluelab's reputation for accuracy and probe longevity is well-earned. Tells you exactly what your nutrient solution pH is, in two seconds, with one hand.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose the Bluelab pH Pen:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustry-standard accuracy\u003c\/strong\u003e — Bluelab is the reference brand for hydroponic pH measurement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaceable probe\u003c\/strong\u003e — when the probe wears out (and they all do eventually), just replace the probe rather than the whole meter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple two-button operation\u003c\/strong\u003e — power and calibrate, no menus, no faff\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof body\u003c\/strong\u003e — survives being dropped in the reservoir without dying\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable hand-held format\u003c\/strong\u003e — take it to every pot or reservoir in your setup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEssential for any hydroponic or coco grow\u003c\/strong\u003e — pH out of range blocks nutrient uptake entirely\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eImportant: if the probe is dry\u003c\/strong\u003e, soak in KCL storage solution for 24 hours before use — dry probes won't calibrate or read accurately (this is normal and doesn't mean the pen is faulty). Sold separately: pH 4 and pH 7 calibration solutions plus KCL storage solution — we stock all three. For permanent reservoir monitoring, the Bluelab Guardian wall-mount is better; for in-media reading (soil\/coco root zone), the Multimedia pH Meter is better.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvailable to collect from our Stone shop\u003c\/strong\u003e at Unit 24, Emerald Way, ST15 0SR — or ships the same working day from our UK warehouse. Not sure if this is the right fit? Give us a ring on \u003ca href=\"tel:01785556355\"\u003e01785 556355\u003c\/a\u003e or email \u003ca href=\"mailto:sales@roots2riches.com\"\u003esales@roots2riches.com\u003c\/a\u003e — we're growers ourselves, happy to help.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":55799173415294,"sku":"32630520","price":79.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/oip_15__1.jpg?v=1750353085"},{"product_id":"bluelab-ph-probe-kci-solution-100ml","title":"Bluelab pH Probe KCl Storage Solution 100ml","description":"\u003ch2\u003eBluelab pH Probe KCl Storage Solution 100ml\u003c\/h2\u003e\n\u003cp\u003eThe proper way to store Bluelab pH probes when not in use — KCl (potassium chloride) storage solution keeps the probe hydrated and chemically balanced, dramatically extending its useful life. pH probes are sensitive glass instruments that age through normal use; storing dry accelerates that ageing and ruins probes prematurely.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers need KCl storage solution:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtends pH probe lifespan significantly\u003c\/strong\u003e — properly-stored probes last years longer than dry-stored ones\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKeeps probe hydrated\u003c\/strong\u003e — prevents the glass surface from drying out and fracturing at microscopic level\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemically stable storage medium\u003c\/strong\u003e — doesn't degrade the probe like storing in pure water would\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEssential maintenance for Bluelab pens\u003c\/strong\u003e — genuine Bluelab solution, guaranteed compatibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100ml bottle\u003c\/strong\u003e — enough for multiple probe-storage refills\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtects your Bluelab investment\u003c\/strong\u003e — a £60 pH pen with a £9 storage solution lasts far longer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eSpecifically for pH probe storage — not a calibration solution. For calibration, use pH 4 and pH 7 buffer solutions. If your pH pen has lasted less than a year despite regular use, you probably haven't been storing it in KCl; start now and preserve what you have. Refill the probe cap regularly; don't let it run dry.\u003c\/p\u003e\n\n\u003cp\u003eIn stock now — ships same working day from our Staffordshire warehouse with free UK delivery over £100. Pick up in-store at our Stone shop (ST15 0SR) if you're local, or click \u0026amp; collect at checkout.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":55799173972350,"sku":"32630432","price":8.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/oip_16__1.jpg?v=1750353092"},{"product_id":"bluelab-probe-carekit-ph-ec","title":"Bluelab Probe Care Kit — pH \u0026 EC (Standard)","description":"\u003ch2\u003eBluelab Probe Care Kit — pH \u0026amp; EC Cleaning, Hydration \u0026amp; Calibration\u003c\/h2\u003e\n\u003cp\u003eThe standard Bluelab probe care kit — everything needed to clean, hydrate, and calibrate pH probes plus clean and test EC\/conductivity probes. Keeping your probes clean and properly stored directly improves reading accuracy and massively extends probe lifespan. The probe surface is where the instrument actually reads; if that surface is coated or dry, your readings are lying to you.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose the Bluelab Care Kit:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete probe maintenance in one kit\u003c\/strong\u003e — pH and EC both covered, no buying separate solutions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003epH probe cleaning solution\u003c\/strong\u003e — removes mineral deposits and organic buildup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003epH probe hydration solution\u003c\/strong\u003e — keeps probe properly wet for accurate readings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003epH calibration solutions (4 \u0026amp; 7)\u003c\/strong\u003e — two-point calibration for maximum accuracy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEC cleaning and test solutions\u003c\/strong\u003e — maintain conductivity meter accuracy too\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignificantly extends probe lifespan\u003c\/strong\u003e — cleaning + proper storage = years of accurate use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine Bluelab compatibility\u003c\/strong\u003e — formulated specifically for Bluelab probe chemistry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003ePrimarily for Bluelab probes — works with other brands but designed for Bluelab. If you only have a pH pen (no EC meter), individual pH 4 and pH 7 solutions are cheaper. Remember: the kit provides the solutions, but you still have to actually use them — schedule monthly cleaning and calibration into your grow routine.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvailable to collect from our Stone shop\u003c\/strong\u003e at Unit 24, Emerald Way, ST15 0SR — or ships the same working day from our UK warehouse. Not sure if this is the right fit? Give us a ring on \u003ca href=\"tel:01785556355\"\u003e01785 556355\u003c\/a\u003e or email \u003ca href=\"mailto:sales@roots2riches.com\"\u003esales@roots2riches.com\u003c\/a\u003e — we're growers ourselves, happy to help.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":55799174463870,"sku":"32630787","price":19.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/oip_18__1.jpg?v=1750353100"},{"product_id":"bluelab-pulse-meter","title":"Bluelab Pulse Meter — Multimedia EC, Moisture \u0026 Temperature","description":"\u003ch2\u003eBluelab Pulse Meter — Measure EC, Moisture \u0026amp; Temperature In-Media\u003c\/h2\u003e\n\u003cp\u003eThe Pulse is Bluelab's newer meter for growers who want one device to measure everything that matters directly in the root zone — moisture, nutrient strength (as conductivity) and temperature — without leaching, slurries, or pore-water extraction. Syncs to your phone via the Pulse app for automatic data logging.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose the Pulse Meter:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIn-media measurements, no extraction required\u003c\/strong\u003e — no more squeezing slurry samples or collecting run-off, just insert and read\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree readings in one\u003c\/strong\u003e — nutrient (EC), moisture, and temperature, all in the root zone where it matters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluelab Pulse app\u003c\/strong\u003e — Bluetooth sync to your phone, automatic data logging, historical charts over grow cycles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast, repeatable readings\u003c\/strong\u003e — check every pot in 30 seconds, spot the dry one, spot the hot spot\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorks in soil, coco and similar grow media\u003c\/strong\u003e — the serious alternative to guesswork or weekly lab samples\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable hand-held design\u003c\/strong\u003e — battery-powered, travels between grow rooms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eThis is not a replacement for pH measurement — for pH you still need a Bluelab pH pen or the Multimedia pH Meter. If you're running pure hydroponics (DWC, NFT) where everything happens in the reservoir, a Bluelab Combo Meter is better value. The Pulse is specifically for media-based grows where you can't easily measure the root-zone water.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvailable to collect from our Stone shop\u003c\/strong\u003e at Unit 24, Emerald Way, ST15 0SR — or ships the same working day from our UK warehouse. Not sure if this is the right fit? Give us a ring on \u003ca href=\"tel:01785556355\"\u003e01785 556355\u003c\/a\u003e or email \u003ca href=\"mailto:sales@roots2riches.com\"\u003esales@roots2riches.com\u003c\/a\u003e — we're growers ourselves, happy to help.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":55799175741822,"sku":"32630578","price":209.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/oip_19__2.jpg?v=1750353114"},{"product_id":"bluelab-truncheon","title":"Bluelab Truncheon — Nutrient EC Meter","description":"\u003ch2\u003eBluelab Truncheon — The Classic Hydroponic Nutrient Meter\u003c\/h2\u003e\n\u003cp\u003eThe iconic stick-shaped nutrient meter from Bluelab — drop the probe end into your reservoir for 1-2 minutes to match the solution temperature, and read the LED-bar display showing conductivity (EC), PPM (500 and 700 scales), TDS, or CF. Hard to overstate how useful this tool is — once you own one, you check every reservoir reading before every feed.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose the Bluelab Truncheon:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast, reliable nutrient strength readings\u003c\/strong\u003e — 1-2 minutes probe time, LED-bar display, no complex interface\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple display units\u003c\/strong\u003e — EC \/ PPM 500 \/ PPM 700 \/ CF \/ TDS, switch to whichever your nutrient schedule uses\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStick form factor\u003c\/strong\u003e — reaches into any reservoir shape, drips cleanly, stores upright\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluelab accuracy and durability\u003c\/strong\u003e — the reference UK hydroponic measurement brand, trusted industry-wide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo calibration required\u003c\/strong\u003e — unlike pH pens, EC meters don't drift in the same way; clean the probe and it's ready\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEssential for hydroponic and coco growers\u003c\/strong\u003e — tells you when solution is mixed correctly, when plants are over-feeding, when run-off is accumulating salts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it's not for:\u003c\/h3\u003e\n\u003cp\u003eMeasures conductivity only — pH needs a separate meter (Bluelab pH Pen). For permanent reservoir monitoring with continuous readings, the Bluelab Guardian mounts on the wall. Keep the probe end clean; mineral buildup on the electrodes affects readings.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvailable to collect from our Stone shop\u003c\/strong\u003e at Unit 24, Emerald Way, ST15 0SR — or ships the same working day from our UK warehouse. Not sure if this is the right fit? Give us a ring on \u003ca href=\"tel:01785556355\"\u003e01785 556355\u003c\/a\u003e or email \u003ca href=\"mailto:sales@roots2riches.com\"\u003esales@roots2riches.com\u003c\/a\u003e — we're growers ourselves, happy to help.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":55799178035582,"sku":"32630448","price":74.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/2132\/0318\/files\/oip_20.jpg?v=1750353130"}],"url":"https:\/\/www.roots2riches.com\/collections\/bluelab.oembed","provider":"Roots2Riches","version":"1.0","type":"link"}