{"product_id":"apera-grostar-gs1-ph-pen-tester-gen-ii","title":"Apera GroStar GS1 pH Pen Tester Gen II | Replaceable Probe, TruRead, 3-Color LCD","description":"\u003ch2\u003eApera GroStar® GS1 pH Pen Tester (Gen II) — Professional pH for Growers\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eApera GroStar GS1 Gen II\u003c\/strong\u003e is a premium pH pen tester engineered specifically for growers who demand professional-grade accuracy without the complexity. Its intelligent, grower-friendly design eliminates guesswork so you can focus on what matters — healthy crops and optimal yields.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable Double-Junction pH Probe\u003c\/strong\u003e — Built with a double-junction reference system and blue gel inner solution for fast, accurate readings and extended service life; swap the probe, not the pen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTruRead™ Measurement Mode\u003c\/strong\u003e — Take readings across multiple locations and automatically display the \u003cstrong\u003eaverage, minimum, and maximum\u003c\/strong\u003e values — ideal for monitoring pH variation across a grow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Point Automatic Calibration\u003c\/strong\u003e — Simple workflow with electrode condition display so you always know probe health at a glance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Color Backlit LCD\u003c\/strong\u003e — Clear readings in any lighting condition; color-coded by mode for instant status recognition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrower-Optimized Design\u003c\/strong\u003e — Streamlined for field and grow-room use; built to handle the demands of daily horticultural pH monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eHydroponics, aquaponics, soil pH testing, nutrient solution monitoring, cannabis cultivation, greenhouse growing, and general water quality testing.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGS1 pH Pen Tester (Gen II)\u003c\/li\u003e\n\u003cli\u003epH Calibration Solutions\u003c\/li\u003e\n\u003cli\u003eReplacement Probe (check kit contents)\u003c\/li\u003e\n\u003cli\u003eUser Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy GroStar GS1?\u003c\/h3\u003e\n\u003cp\u003eMost pH pens force you to replace the entire unit when the probe ages. The GS1's \u003cstrong\u003ereplaceable probe design\u003c\/strong\u003e protects your investment — replace only the probe when needed, not the full meter. Combined with \u003cstrong\u003eTruRead™\u003c\/strong\u003e multi-point averaging, it's the most grower-intelligent pH pen in its class.\u003c\/p\u003e","brand":"APERA Instruments","offers":[{"title":"Default Title","offer_id":44109551468631,"sku":"GS1","price":116.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/gs1_ph.avif?v=1786054629","url":"https:\/\/getultimatenow.com\/products\/apera-grostar-gs1-ph-pen-tester-gen-ii","provider":"Get Ultimate Now ","version":"1.0","type":"link"}