{"product_id":"hanna-groline-ph-probe-storage-solution-hi70300","title":"Hanna GroLine pH \u0026 ORP Electrode Storage Solution HI70300","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHanna GroLine pH Probe Storage Solution HI70300 is specially formulated to keep pH and ORP electrodes hydrated, responsive, and ready for accurate measurement. Proper storage helps protect the sensitive glass membrane, keeps the reference junction clear, and supports faster stabilization during calibration and testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFormulated with reagent-grade chemicals, this storage solution helps minimize microbial growth and reduces unwanted diffusion or osmotic effects between the solution and the electrode’s internal reference electrolyte. It is an essential maintenance product for pH meters used in hydroponics, aquaponics, greenhouses, horticulture, laboratories, water testing, and other applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eKeeps electrodes hydrated:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Protects the hydrated layer on the pH-sensitive glass membrane.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaintains the reference junction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Helps prevent deposits and dried material from clogging the electrode junction.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSupports faster response:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e A properly hydrated probe generally stabilizes faster during calibration and measurement.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePromotes reliable readings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Correct storage helps preserve electrode performance between uses.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHelps extend probe life:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Prevents damage associated with allowing the sensing bulb and junction to dry out.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eControls microbial growth:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Specially formulated to reduce microbial growth during storage.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMade for pH and ORP electrodes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for compatible Hanna pH and oxidation-reduction potential probes.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Proper Probe Storage Matters\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA pH electrode depends on a hydrated glass membrane and a functioning reference junction to produce reliable measurements. If the probe is allowed to dry out, readings may become slow, unstable, or difficult to calibrate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eStoring the sensing portion of the electrode in Hanna storage solution keeps the glass membrane moist while helping maintain the chemical balance surrounding the reference junction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHow to Use\u003c\/span\u003e\u003c\/h3\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\u003cspan\u003eRinse the electrode with distilled or deionized water to remove residual sample or cleaning solution.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdd fresh Hanna storage solution to the probe’s protective cap or a clean storage container.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImmerse the glass sensing bulb and reference junction in the solution.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSecure the protective cap and store the electrode upright when practical.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck the cap periodically and replenish the solution if evaporation occurs.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOnly the sensing bulb and reference junction need to remain in contact with the solution. Follow the meter or probe manufacturer’s instructions for the correct storage depth.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAfter Cleaning an Electrode\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCleaning removes residue that can interfere with calibration and measurement, but it may temporarily dehydrate the electrode’s sensing surface. After using an appropriate Hanna electrode cleaning solution, soak the probe in Hanna GroLine Storage Solution for at least one hour before calibrating or taking measurements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIf an electrode has been stored dry for an extended period, additional conditioning may be required. Follow the instructions supplied with the electrode before attempting calibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Storage Warning\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNever store a pH or ORP electrode in distilled, reverse-osmosis, or deionized water. Pure water can draw ions out of the reference system, damage the electrode, shorten its usable life, and produce slow or unstable readings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCalibration buffer should also not be used as a long-term substitute for proper electrode storage solution.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Details\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eProduct type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e pH and ORP electrode storage and conditioning solution\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFormula:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Prepared with reagent-grade chemicals\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePrimary purpose:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Maintains glass-membrane hydration and helps keep the reference junction clear\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCompatible electrodes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for compatible pH and ORP electrodes\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hydroponics, aquaponics, horticulture, greenhouse production, laboratories, water testing, and general electrode maintenance\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePackaging:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Available in multiple packaging options; select the desired variant before ordering\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eRecommended Maintenance Routine\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eKeep the electrode’s glass bulb and reference junction moist between uses.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReplace contaminated or evaporated solution with fresh storage solution.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDo not pour used storage solution back into its original container.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDo not reuse solution that contains visible residue.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClean the electrode before storage when deposits or nutrient residue are present.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRecondition the electrode in storage solution after cleaning.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCalibrate with fresh buffer after cleaning or extended storage.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eKeep the original package sealed when not in use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFollow the expiration and lot information shown on the selected package.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCompatibility Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis solution is intended for pH and ORP electrodes that require wet storage. It is not a pH calibration buffer, probe-cleaning solution, or general-purpose meter cleaner.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConductivity and TDS probes commonly use different storage and maintenance procedures. Consult the instrument manual before using this solution with any probe other than a compatible pH or ORP electrode.\u003c\/span\u003e\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"230ml","offer_id":44943735718052,"sku":"HI70300-023","price":18.5,"currency_code":"USD","in_stock":false},{"title":"500ml","offer_id":44943735750820,"sku":"HI70300-051","price":22.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1298\/4199\/products\/HANNA_-Electrode-Storage-Solution_-500-mL-Hanna-Instruments-1672080159.jpg?v=1705441810","url":"https:\/\/www.gardensupplyguys.com\/products\/hanna-groline-ph-probe-storage-solution-hi70300","provider":"GARDEN SUPPLY GUYS","version":"1.0","type":"link"}