{"product_id":"bluelab-ph-conductivity-starter-pack","title":"pH \u0026 Conductivity Starter Pack by Bluelab — Complete pH, EC \u0026 Temperature Testing Kit","description":"\u003cdiv style=\"font-family: 'Helvetica Neue', Arial, sans-serif; max-width: 860px; margin: 0 auto; color: #1a1a1a;\"\u003e\n\n\u003cp style=\"font-size: 1.05rem; line-height: 1.7; margin-bottom: 1.5rem;\"\u003eThe Bluelab pH and Conductivity Starter Pack puts the two measurements every grower needs in one box: pH tells you whether your plants can actually absorb their food, EC tells you how much food is in the water. You get the Bluelab pH Pen, the Bluelab Conductivity Pen, and the full Probe Care Kit with everything needed to hydrate, calibrate, clean and store both pens — plus access to the Bluelab Grow Book. One purchase, complete reservoir control from day one.\u003c\/p\u003e\n\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem;\"\u003e\n\u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n\u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eBoth Fundamentals Covered\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003epH, EC\/ppm and temperature from two purpose-built pens — the complete picture of your nutrient solution.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n\u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eCare Kit Included\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003epH 7.0 and 4.0 calibration sachets, KCl storage solution, 2.77 EC standard, probe cleaners, cups and brush — no extra purchases to get started properly.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n\u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eFully Waterproof, They Float\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eBoth pens are built for nutrient reservoirs — drop one in and fish it out, no damage done.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n\u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003eBetter Value Than Pens Alone\u003c\/strong\u003e\u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eThe pH Pen can't take its first reading without KCl and calibration solutions — buy the pens bare and you're buying those anyway. Here the full care kit is in the box for a few dollars more.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 2rem; margin-bottom: 2rem; font-size: 0.95rem;\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBluelab pH Pen\u003c\/strong\u003e\u003cbr\u003epH and temperature meter, double-junction probe\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBluelab Conductivity Pen\u003c\/strong\u003e\u003cbr\u003eEC, ppm 500 (TDS), ppm 700 and temperature meter\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBluelab Probe Care Kit (pH \u0026amp; Conductivity)\u003c\/strong\u003e\u003cbr\u003epH 7.0, pH 4.0 and KCl storage solution sachets, 2.77 EC standard solution, probe cleaners, cleaning instruments and cups\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBluelab Grow Book\u003c\/strong\u003e\u003cbr\u003eAccess to Bluelab's growing guide, built from 30+ years of experience\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 2rem; margin-bottom: 2rem; font-size: 0.95rem;\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003epH Pen range\u003c\/strong\u003e\u003cbr\u003e0.0–14.0 pH, ±0.1 pH accuracy at 25°C\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003epH Pen probe\u003c\/strong\u003e\u003cbr\u003eDouble-junction, not replaceable\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003epH Pen calibration\u003c\/strong\u003e\u003cbr\u003eManual 2-point (pH 7.0 first, then 4.0 or 10.0), 30-day calibration reminder on screen\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eConductivity Pen range\u003c\/strong\u003e\u003cbr\u003e0.0–10.0 EC \/ 0–5000 ppm (500) \/ 0–7000 ppm (700), ±0.1 EC accuracy\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eConductivity Pen calibration\u003c\/strong\u003e\u003cbr\u003eFactory calibrated — manual calibration optional\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTemperature\u003c\/strong\u003e\u003cbr\u003e0–50°C on both pens, Automatic Temperature Compensation\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBuild\u003c\/strong\u003e\u003cbr\u003eFully waterproof, backlit LCD, hold function, auto off — both pens\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePower\u003c\/strong\u003e\u003cbr\u003e1 x AAA alkaline per pen (approx. 350 hours each)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003cbr\u003e1-year limited warranty on both pens\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMade by\u003c\/strong\u003e\u003cbr\u003eBluelab, New Zealand\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f9a825; padding: 1rem 1.3rem; border-radius: 6px; margin-bottom: 2rem;\"\u003e\n\u003cstrong style=\"color: #e65100; display: block; margin-bottom: 0.5rem;\"\u003eGrow Guys Tip — The pH Pen Probe Must Never Dry Out\u003c\/strong\u003e\n\u003cul style=\"margin: 0 0 0 1.2rem; padding: 0; font-size: 0.93rem; line-height: 1.7;\"\u003e\n\u003cli\u003eBluelab's manual puts it bluntly: if it dries, it dies. Before first use, stand the pH Pen upright in a small container with enough KCl storage solution (included in your care kit) to submerge the probe tip, and soak for at least 24 hours. Never use RO, distilled or deionised water — pure water kills the probe.\u003c\/li\u003e\n\u003cli\u003eEvery week, add 3–5 drops of KCl solution into the wetting seal inside the storage cap, and always rinse the probe in fresh water before recapping after use.\u003c\/li\u003e\n\u003cli\u003eThe Conductivity Pen needs none of this — no glass bulb, no hydration. Just rinse it after each use and clean the probe face fortnightly with the included cleaner or an unscented cream cleanser like Jif.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003eGetting Started\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 2rem;\"\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n\u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e1\u003c\/span\u003e\u003cspan\u003eHydrate the pH Pen: remove the storage cap, stand the pen upright in a small container, add enough KCl storage solution to submerge the probe tip, and leave it for at least 24 hours. Rinse the tip in fresh water afterwards.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n\u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e2\u003c\/span\u003e\u003cspan\u003eCalibrate the pH Pen to 2 points using the included sachets — always pH 7.0 first, then pH 4.0 (or 10.0 if your readings normally sit above 7). It won't hold calibration on 7.0 alone. Recalibrate after every clean, after battery changes, and when the on-screen check mark disappears at 30 days.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n\u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e3\u003c\/span\u003e\u003cspan\u003eThe Conductivity Pen is factory calibrated — turn it on and start reading. If you ever want to verify it, clean the probe first, then check against the included 2.77 EC standard solution.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; font-size: 0.93rem; line-height: 1.6;\"\u003e\n\u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e4\u003c\/span\u003e\u003cspan\u003eDip both pens in your reservoir, wait for the readings to stabilise, and adjust your solution. Rinse both probes in fresh water after every use — recap the pH Pen, and give the EC probe face a proper clean every two weeks.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003ePairs Well With\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem;\"\u003e\n\u003ca href=\"\/collections\/ph-control-calibration-ph-ec\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eCalibration \u0026amp; Storage Solutions\u003c\/strong\u003e\u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eRestock pH 7.0\/4.0 sachets, KCl storage solution and 2.77 EC standard when the care kit runs out.\u003c\/p\u003e\u003c\/a\u003e\n\u003ca href=\"\/collections\/water-control\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003epH Up \u0026amp; Down\u003c\/strong\u003e\u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eOnce you can measure pH, you need to adjust it — dosing solutions in the Water Control range.\u003c\/p\u003e\u003c\/a\u003e\n\u003ca href=\"\/collections\/hydroponic-nutrients\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eNutrients\u003c\/strong\u003e\u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eBase nutrients and additives — dial in exact EC targets instead of feeding blind.\u003c\/p\u003e\u003c\/a\u003e\n\u003ca href=\"\/collections\/starter-kits-all\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eStarter Kits\u003c\/strong\u003e\u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eSetting up a full grow? Browse complete starter kits for tents, lighting and nutrients.\u003c\/p\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eIs the starter pack ready to use out of the box?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003ePartly. The Conductivity Pen is factory calibrated and ready immediately. The pH Pen needs a minimum 24-hour hydration soak in the included KCl storage solution, then a 2-point calibration with the included pH 7.0 and 4.0 sachets before its first reading.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eWhat's included in the Probe Care Kit?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eThe pH and Conductivity care kit contains pH 7.0, pH 4.0 and KCl storage solution sachets, 2.77 EC standard solution, probe cleaners, cleaning instruments and plastic cups — everything to hydrate, calibrate, clean and store both pens.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eIs the pH Pen's probe replaceable?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eNo. The pH Pen uses a fixed double-junction probe. If you want a pen with a replaceable probe, look at the Bluelab pH PenPlus — when its probe eventually wears out you screw in a new one instead of replacing the pen.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eAre the pens waterproof?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eYes, both pens are fully waterproof and float, provided the battery cap is fastened down with no gap between cap and body.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eIs the pack better value than buying the pens separately?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eYes. The pack costs only a few dollars more than the two pens alone and includes the full Probe Care Kit — the KCl storage solution and pH calibration sachets the pH Pen must have before its first reading, plus the 2.77 EC standard, probe cleaners and cups. Buy the pens bare and you're purchasing those solutions separately anyway.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eHow often does the pH Pen need calibrating?\u003c\/summary\u003e\u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eCalibrate before first use, after every clean, after changing the battery, and whenever the check mark disappears from the screen — it fades 30 days after the last calibration as a built-in reminder. Always 2 points: pH 7.0 first, then 4.0 or 10.0.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv style=\"background: #1c3a1c; color: #fff; padding: 2rem; border-radius: 10px; text-align: center; margin-top: 2rem;\"\u003e\n\u003ch2 style=\"color: #fff !important; margin: 0 0 0.5rem; font-size: 1.3rem;\"\u003eMeasure the Fundamentals From Day One\u003c\/h2\u003e\n\u003cp style=\"color: #aed1ae !important; margin: 0 0 1.5rem; font-size: 0.95rem;\"\u003eTwo Bluelab pens, full care kit, 1-year warranty on both. Free shipping over $499*.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap;\"\u003e\n\u003cbutton id=\"btn-add-to-cart\" style=\"background: #b67317 !important; color: #fff !important; padding: 0.85rem 2rem !important; border: none !important; border-radius: 6px !important; font-size: 1rem !important; font-weight: 700 !important; cursor: pointer !important;\"\u003eAdd to Cart\u003c\/button\u003e\n\u003ca href=\"\/collections\/meters-pens-ph-ec-testing\" style=\"background: transparent !important; color: #fff !important; padding: 0.85rem 2rem !important; border: 2px solid #fff !important; border-radius: 6px !important; font-size: 1rem !important; font-weight: 600 !important; text-decoration: none !important; display: inline-block !important;\"\u003eShop All Meters\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n  var btn = document.getElementById('btn-add-to-cart');\n  if (!btn) return;\n  btn.addEventListener('click', function() {\n    fetch('\/cart\/add.js', {\n      method: 'POST',\n      headers: {'Content-Type': 'application\/json'},\n      body: JSON.stringify({id: parseInt('52066922823978', 10), quantity: 1})\n    }).then(function(response) {\n      return response.json();\n    }).then(function(data) {\n      if (data.status \u0026\u0026 data.status !== 200) { throw new Error(data.description); }\n      btn.textContent = 'Added to Cart';\n      btn.style.background = '#2e5e2e';\n      setTimeout(function() {\n        btn.textContent = 'Add to Cart';\n        btn.style.background = '#b67317';\n      }, 2000);\n    }).catch(function() {\n      btn.textContent = 'Error — Try Again';\n      btn.style.background = '#c0392b';\n      setTimeout(function() {\n        btn.textContent = 'Add to Cart';\n        btn.style.background = '#b67317';\n      }, 2500);\n    });\n  });\n});\n\u003c\/script\u003e\n\n\u003c\/div\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":52066922823978,"sku":"BL-MTR-PENSTP","price":314.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/1573\/3290\/files\/BL_Image_Product_PENSTP_Bluelab_pH_and_Conductivity_Starter_Pack.png?v=1783736529","url":"https:\/\/www.thegrowguys.com.au\/products\/bluelab-ph-conductivity-starter-pack","provider":"The Grow Guys","version":"1.0","type":"link"}