{"product_id":"apera-instruments-grostar-gs2-soil-ph-pen-tester-gen-ii","title":"Apera GroStar GS2 Soil pH Pen Tester Gen II | Swiss Spear Probe, TruRead, PTFE Junction","description":"\u003ch2\u003eApera GroStar® GS2 Soil pH Pen Tester (Gen II) — Direct Soil pH for Professional Growers\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eApera GroStar GS2 Gen II\u003c\/strong\u003e is a premium soil pH pen engineered for growers who need accurate, direct pH measurement in \u003cstrong\u003esoil, coco coir, rockwool, and other grow media\u003c\/strong\u003e — as well as nutrient solutions. Where standard pH pens require slurry preparation, the GS2's \u003cstrong\u003eSwiss LabSen® replaceable spear probe\u003c\/strong\u003e goes directly into the medium for fast, reliable results with minimal prep.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwiss LabSen® Replaceable Spear Soil Probe\u003c\/strong\u003e — Purpose-built for direct insertion into soil, coco coir, rockwool, and grow media; accurate results with minimal maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePTFE Ring Junction\u003c\/strong\u003e — Prevents soil particles from clogging the junction, significantly extending probe service life in direct soil applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTruRead™ Measurement Mode\u003c\/strong\u003e — Measure pH across multiple spots and automatically display \u003cstrong\u003eaverage, minimum, and maximum\u003c\/strong\u003e values — ideal for mapping pH variation across a grow bed or field\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Point Automatic Calibration\u003c\/strong\u003e — Simple workflow with electrode condition display for real-time probe health monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Color Backlit LCD\u003c\/strong\u003e — Clear readings in any lighting; color-coded by mode for instant status recognition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Use\u003c\/strong\u003e — Works in both solid grow media (soil, coco, rockwool) and liquid nutrient solutions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eSoil pH testing, coco coir, rockwool, perlite, hydroponics nutrient solutions, cannabis cultivation, greenhouse growing, aquaponics, and outdoor agriculture.\u003c\/p\u003e\n\n\u003ch3\u003eWhy GroStar GS2 Over a Standard pH Pen?\u003c\/h3\u003e\n\u003cp\u003eStandard pH pens require a soil slurry — mixing soil with water before testing. The GS2's \u003cstrong\u003eSwiss spear probe with PTFE junction\u003c\/strong\u003e inserts directly into the medium, saving time and delivering more representative in-situ readings. The \u003cstrong\u003ereplaceable probe design\u003c\/strong\u003e means you protect your investment: replace only the probe when it ages, not the entire unit.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGS2 Soil pH Pen Tester (Gen II)\u003c\/li\u003e\n\u003cli\u003eSwiss LabSen® Spear Soil pH Probe\u003c\/li\u003e\n\u003cli\u003epH Calibration Solutions\u003c\/li\u003e\n\u003cli\u003eUser Manual\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"APERA Instruments","offers":[{"title":"Default Title","offer_id":44109555073111,"sku":"GS2","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/gs2_soil_ph.avif?v=1786055033","url":"https:\/\/getultimatenow.com\/products\/apera-instruments-grostar-gs2-soil-ph-pen-tester-gen-ii","provider":"Get Ultimate Now ","version":"1.0","type":"link"}