{"product_id":"gypsum","title":"Gypsum","description":"\u003c!-- ═══════════════════════════════════════════════════════════════\n     HIGH-QUALITY GYPSUM - Greenway Biotech Product Page\n     Version: 2.6 | Updated: January 2026\n     Architecture: Modular CSS + Dispatcher Calculator Pattern\n     ═══════════════════════════════════════════════════════════════ --\u003e\n\n\u003cdiv class=\"gwb-product\"\u003e\n\u003cdiv class=\"wrapper\"\u003e\n\n\u003c!-- HERO --\u003e\n\u003ch1\u003eHigh-Quality Gypsum \u003cspan class=\"green\"\u003e(Calcium Sulfate)\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp class=\"hero-subtitle\"\u003eTransform your soil with our premium gypsum, a versatile mineral compound essential for agriculture and gardening. Mined from top-grade sources and meticulously processed, our gypsum delivers consistent quality for improving soil structure, reclaiming sodic soils, and providing crucial calcium (23%) and sulfur (18%) nutrients—all without changing soil pH.\u003c\/p\u003e\n\n\u003c!-- TRUST BADGES --\u003e\n\u003cdiv class=\"trust-badges\"\u003e\n  \u003ca href=\"\/pages\/about-us\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"badge\"\u003e\n    \u003cspan class=\"badge-icon\"\u003e🏆\u003c\/span\u003e Since 1989\n  \u003c\/a\u003e\n  \u003ca href=\"\/pages\/quality\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"badge\"\u003e\n    \u003cspan class=\"badge-icon\"\u003e🧪\u003c\/span\u003e Lab Tested\n  \u003c\/a\u003e\n  \u003ca href=\"\/pages\/returns\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"badge\"\u003e\n    \u003cspan class=\"badge-icon\"\u003e🛡️\u003c\/span\u003e 90-Day Guarantee\n  \u003c\/a\u003e\n  \u003ca href=\"\/pages\/shipping\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"badge\"\u003e\n    \u003cspan class=\"badge-icon\"\u003e🚚\u003c\/span\u003e Free Shipping $100+\n  \u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c!-- VISUAL RESULTS TIMELINE --\u003e\n\u003cdiv class=\"visual-results\"\u003e\n  \u003ch3\u003eWhen to Expect Results\u003c\/h3\u003e\n  \u003cdiv class=\"timeline\"\u003e\n    \u003cdiv class=\"timeline-item\"\u003e\n      \u003cspan class=\"day\"\u003eWeek 1-2\u003c\/span\u003e\n      \u003cspan class=\"icon\"\u003e💧\u003c\/span\u003e\n      \u003cspan\u003eWater Infiltration\u003cbr\u003e\u003csmall\u003eImproved drainage begins\u003c\/small\u003e\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"timeline-item\"\u003e\n      \u003cspan class=\"day\"\u003eMonth 1-2\u003c\/span\u003e\n      \u003cspan class=\"icon\"\u003e🌱\u003c\/span\u003e\n      \u003cspan\u003eSoil Structure\u003cbr\u003e\u003csmall\u003eClay begins loosening\u003c\/small\u003e\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"timeline-item\"\u003e\n      \u003cspan class=\"day\"\u003eMonth 3-6\u003c\/span\u003e\n      \u003cspan class=\"icon\"\u003e🌿\u003c\/span\u003e\n      \u003cspan\u003eRoot Development\u003cbr\u003e\u003csmall\u003eDeeper root growth\u003c\/small\u003e\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"timeline-item\"\u003e\n      \u003cspan class=\"day\"\u003e6-12 Months\u003c\/span\u003e\n      \u003cspan class=\"icon\"\u003e✨\u003c\/span\u003e\n      \u003cspan\u003eFull Benefits\u003cbr\u003e\u003csmall\u003eSodic soil reclamation\u003c\/small\u003e\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- FEATURES --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eFEATURES\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cul class=\"feature-list\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003epH Neutral:\u003c\/strong\u003e Adds calcium without changing soil pH—unlike lime, safe for any soil type\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDual Nutrients:\u003c\/strong\u003e Provides 23% calcium for cell walls and 18% sulfur for protein synthesis\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eClay Breaker:\u003c\/strong\u003e Flocculates clay particles to improve drainage, aeration, and root penetration\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSodium Displacer:\u003c\/strong\u003e Replaces excess sodium in sodic soils, restoring fertility and structure\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eImmediate Availability:\u003c\/strong\u003e Calcium and sulfur are water-soluble and plant-available immediately\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eYear-Round Application:\u003c\/strong\u003e Safe to apply any time—no risk of burning plants\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- DERIVED FROM --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eDERIVED FROM\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cp\u003e\u003cstrong\u003eMined Gypsum (Calcium Sulfate Dihydrate - CaSO₄·2H₂O)\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp style=\"margin-top: 1rem;\"\u003eNatural mineral gypsum containing approximately 23% calcium and 18% sulfur, mined from high-purity deposits and processed to agricultural specifications. This is the same mineral used for centuries to improve soil structure and crop production.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- BEST FOR GRID --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003ePERFECT FOR THESE APPLICATIONS\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cdiv class=\"best-for-grid\"\u003e\n      \u003cdiv class=\"best-for-item\"\u003e\n        \u003cdiv class=\"best-for-icon\"\u003e🏠\u003c\/div\u003e\n        \u003cdiv class=\"best-for-label\"\u003eClay Soil Lawns\u003c\/div\u003e\n        \u003cdiv class=\"best-for-rate\"\u003e40 lbs\/1000 sq ft\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"best-for-item\"\u003e\n        \u003cdiv class=\"best-for-icon\"\u003e🥕\u003c\/div\u003e\n        \u003cdiv class=\"best-for-label\"\u003eVegetable Gardens\u003c\/div\u003e\n        \u003cdiv class=\"best-for-rate\"\u003e2-4 lbs\/100 sq ft\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"best-for-item\"\u003e\n        \u003cdiv class=\"best-for-icon\"\u003e🥜\u003c\/div\u003e\n        \u003cdiv class=\"best-for-label\"\u003ePeanut Production\u003c\/div\u003e\n        \u003cdiv class=\"best-for-rate\"\u003e600-1000 lbs\/acre\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"best-for-item\"\u003e\n        \u003cdiv class=\"best-for-icon\"\u003e🍅\u003c\/div\u003e\n        \u003cdiv class=\"best-for-label\"\u003eTomatoes\u003c\/div\u003e\n        \u003cdiv class=\"best-for-rate\"\u003e1000-1500 lbs\/acre\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"best-for-item\"\u003e\n        \u003cdiv class=\"best-for-icon\"\u003e🍊\u003c\/div\u003e\n        \u003cdiv class=\"best-for-label\"\u003eCitrus Orchards\u003c\/div\u003e\n        \u003cdiv class=\"best-for-rate\"\u003e2-4 tons\/acre\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"best-for-item\"\u003e\n        \u003cdiv class=\"best-for-icon\"\u003e🧂\u003c\/div\u003e\n        \u003cdiv class=\"best-for-label\"\u003eSodic Soil Reclamation\u003c\/div\u003e\n        \u003cdiv class=\"best-for-rate\"\u003eBased on SAR test\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- PROBLEM\/SOLUTION GRID --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eCOMMON PROBLEMS? WE HAVE SOLUTIONS\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cdiv class=\"ps-grid\"\u003e\n      \u003cdiv class=\"ps-item\"\u003e\n        \u003cdiv class=\"problem\"\u003e😟 Water pools on lawn after rain?\u003c\/div\u003e\n        \u003cdiv class=\"solution\"\u003e✅ Gypsum breaks up clay, improving drainage without changing pH\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ps-item\"\u003e\n        \u003cdiv class=\"problem\"\u003e😟 White crust on soil surface?\u003c\/div\u003e\n        \u003cdiv class=\"solution\"\u003e✅ Sodium buildup—gypsum displaces it and restores soil structure\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ps-item\"\u003e\n        \u003cdiv class=\"problem\"\u003e😟 Blossom end rot on tomatoes?\u003c\/div\u003e\n        \u003cdiv class=\"solution\"\u003e✅ Calcium deficiency—gypsum provides readily available calcium\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ps-item\"\u003e\n        \u003cdiv class=\"problem\"\u003e😟 Stunted root growth in compacted soil?\u003c\/div\u003e\n        \u003cdiv class=\"solution\"\u003e✅ Gypsum loosens soil, allowing roots to penetrate deeper\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- WHY GROWERS CHOOSE --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eWHY GROWERS CHOOSE GYPSUM\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cdiv class=\"benefits-grid\"\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch4\u003e🎯 pH-Safe Calcium\u003c\/h4\u003e\n        \u003cp\u003eUnlike lime, gypsum adds calcium without raising pH—perfect for alkaline soils or when you need calcium but not pH change.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch4\u003e💧 Improved Drainage\u003c\/h4\u003e\n        \u003cp\u003eFlocculates clay particles, creating pore space for water and air movement. See results in weeks, not years.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch4\u003e🧂 Sodium Fighter\u003c\/h4\u003e\n        \u003cp\u003eThe go-to solution for sodic and saline-sodic soils. Calcium ions replace sodium, which can then be leached away.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch4\u003e🌱 Root Zone Health\u003c\/h4\u003e\n        \u003cp\u003eReduces aluminum toxicity in subsoil, allowing roots to grow deeper and access more water and nutrients.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"certified-row\"\u003e\n      \u003cspan\u003e✅ CDFA Registered\u003c\/span\u003e\n      \u003cspan\u003e✅ Organic Compatible\u003c\/span\u003e\n      \u003cspan\u003e✅ Made in USA\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- APPLICATION RATES --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eAPPLICATION RATES \u0026amp; DIRECTIONS\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003ch3 class=\"table-title\"\u003e🌱 Soil Amendment Applications\u003c\/h3\u003e\n    \u003cdiv class=\"table-scroll\"\u003e\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eSoil Type\u003c\/th\u003e\n            \u003cth\u003eApplication Rate\u003c\/th\u003e\n            \u003cth\u003ePurpose\u003c\/th\u003e\n            \u003cth\u003eFrequency\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eHeavy Clay Soils\u003c\/td\u003e\n            \u003ctd\u003e1-2 tons\/acre (40-80 lbs\/1000 sq ft)\u003c\/td\u003e\n            \u003ctd\u003eImprove structure \u0026amp; drainage\u003c\/td\u003e\n            \u003ctd\u003eAnnual or biennial\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eSodic Soils (High Sodium)\u003c\/td\u003e\n            \u003ctd\u003e2-4 tons\/acre (80-160 lbs\/1000 sq ft)\u003c\/td\u003e\n            \u003ctd\u003eSodium displacement\u003c\/td\u003e\n            \u003ctd\u003eAs needed per soil test\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eCompacted Soils\u003c\/td\u003e\n            \u003ctd\u003e1-1.5 tons\/acre (40-60 lbs\/1000 sq ft)\u003c\/td\u003e\n            \u003ctd\u003eImprove infiltration\u003c\/td\u003e\n            \u003ctd\u003eAnnual\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eGeneral Maintenance\u003c\/td\u003e\n            \u003ctd\u003e0.5-1 ton\/acre (20-40 lbs\/1000 sq ft)\u003c\/td\u003e\n            \u003ctd\u003eMaintain soil quality\u003c\/td\u003e\n            \u003ctd\u003eEvery 2-3 years\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch3 class=\"table-title\"\u003e🌾 Crop-Specific Applications\u003c\/h3\u003e\n    \u003cdiv class=\"table-scroll\"\u003e\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eCrop Type\u003c\/th\u003e\n            \u003cth\u003eApplication Rate\u003c\/th\u003e\n            \u003cth\u003eTiming\u003c\/th\u003e\n            \u003cth\u003eSpecial Notes\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003ePeanuts\u003c\/td\u003e\n            \u003ctd\u003e600-1000 lbs\/acre\u003c\/td\u003e\n            \u003ctd\u003eAt pegging\u003c\/td\u003e\n            \u003ctd\u003eCritical for pod development\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eAlfalfa\u003c\/td\u003e\n            \u003ctd\u003e1-2 tons\/acre\u003c\/td\u003e\n            \u003ctd\u003ePre-plant or early spring\u003c\/td\u003e\n            \u003ctd\u003eHigh sulfur demand\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eCorn\u003c\/td\u003e\n            \u003ctd\u003e200-500 lbs\/acre\u003c\/td\u003e\n            \u003ctd\u003ePre-plant\u003c\/td\u003e\n            \u003ctd\u003eBand or broadcast\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eTomatoes\u003c\/td\u003e\n            \u003ctd\u003e1000-1500 lbs\/acre\u003c\/td\u003e\n            \u003ctd\u003ePre-plant\u003c\/td\u003e\n            \u003ctd\u003ePrevents blossom end rot\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eCitrus\u003c\/td\u003e\n            \u003ctd\u003e2-4 tons\/acre\u003c\/td\u003e\n            \u003ctd\u003eSpring\/Fall\u003c\/td\u003e\n            \u003ctd\u003eImproves fruit quality\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch3 class=\"table-title\"\u003e🏡 Garden \u0026amp; Lawn Applications\u003c\/h3\u003e\n    \u003cdiv class=\"table-scroll\"\u003e\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eApplication\u003c\/th\u003e\n            \u003cth\u003eRate\u003c\/th\u003e\n            \u003cth\u003eMethod\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eLawn (Clay Soil)\u003c\/td\u003e\n            \u003ctd\u003e40 lbs\/1000 sq ft\u003c\/td\u003e\n            \u003ctd\u003eBroadcast, water in\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eVegetable Garden\u003c\/td\u003e\n            \u003ctd\u003e2-4 lbs\/100 sq ft\u003c\/td\u003e\n            \u003ctd\u003eWork into top 6 inches\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eFlower Beds\u003c\/td\u003e\n            \u003ctd\u003e1-2 lbs\/100 sq ft\u003c\/td\u003e\n            \u003ctd\u003eTop dress or incorporate\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003ePotted Plants\u003c\/td\u003e\n            \u003ctd\u003e1-2 tbsp\/gallon of soil\u003c\/td\u003e\n            \u003ctd\u003eMix into potting soil\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"info-box\"\u003e\n      \u003cstrong\u003eApplication Tips:\u003c\/strong\u003e Can be applied any time of year with no risk of burning. Works best when incorporated but can be surface applied. Water after application to activate. Compatible with most fertilizers and amendments.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- CALCULATOR --\u003e\n\u003cdetails id=\"calc-section\"\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eGYPSUM CALCULATOR\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cdiv class=\"gwb-calculator\" data-calc=\"gypsum\"\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- COMPARISON TABLE --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eCOMPARE CALCIUM SOURCES\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cdiv class=\"table-scroll\"\u003e\n      \u003ctable class=\"comparison-table\"\u003e\n        \u003ccaption\u003eCalcium Source Comparison\u003c\/caption\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eFeature\u003c\/th\u003e\n            \u003cth class=\"highlight\"\u003eGypsum\u003c\/th\u003e\n            \u003cth\u003eCalcium Nitrate\u003c\/th\u003e\n            \u003cth\u003eBone Meal\u003c\/th\u003e\n            \u003cth\u003eCal-Mag Plus\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eCalcium Content\u003c\/td\u003e\n            \u003ctd class=\"highlight\"\u003e23%\u003c\/td\u003e\n            \u003ctd\u003e19%\u003c\/td\u003e\n            \u003ctd\u003e24%\u003c\/td\u003e\n            \u003ctd\u003e5%\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eEffect on pH\u003c\/td\u003e\n            \u003ctd class=\"highlight\"\u003eNeutral ✓\u003c\/td\u003e\n            \u003ctd\u003eSlightly raises\u003c\/td\u003e\n            \u003ctd\u003eNeutral\u003c\/td\u003e\n            \u003ctd\u003eNeutral\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eOrganic\u003c\/td\u003e\n            \u003ctd class=\"highlight\"\u003eYes ✓\u003c\/td\u003e\n            \u003ctd\u003eNo (Synthetic)\u003c\/td\u003e\n            \u003ctd\u003eYes ✓\u003c\/td\u003e\n            \u003ctd\u003eNo (Synthetic)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eAdditional Nutrients\u003c\/td\u003e\n            \u003ctd class=\"highlight\"\u003e18% Sulfur\u003c\/td\u003e\n            \u003ctd\u003e15.5% Nitrogen\u003c\/td\u003e\n            \u003ctd\u003e12% Phosphorus\u003c\/td\u003e\n            \u003ctd\u003e3% Magnesium\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eBest For\u003c\/td\u003e\n            \u003ctd class=\"highlight\"\u003eSoil structure, sodic soils\u003c\/td\u003e\n            \u003ctd\u003eFast calcium + nitrogen\u003c\/td\u003e\n            \u003ctd\u003eOrganic gardens, phosphorus\u003c\/td\u003e\n            \u003ctd\u003eHydroponics, container\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eBreaks Up Clay\u003c\/td\u003e\n            \u003ctd class=\"highlight\"\u003eYes ✓\u003c\/td\u003e\n            \u003ctd\u003eNo\u003c\/td\u003e\n            \u003ctd\u003eNo\u003c\/td\u003e\n            \u003ctd\u003eNo\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eDisplaces Sodium\u003c\/td\u003e\n            \u003ctd class=\"highlight\"\u003eYes ✓\u003c\/td\u003e\n            \u003ctd\u003eNo\u003c\/td\u003e\n            \u003ctd\u003eNo\u003c\/td\u003e\n            \u003ctd\u003eNo\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- PAIRS WELL WITH --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003ePAIRS WELL WITH\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cp class=\"section-intro\"\u003eComplete your soil health program with these complementary products\u003c\/p\u003e\n    \u003cdiv class=\"pairs-grid\"\u003e\n      \u003ca href=\"\/products\/tomato-fertilizer-4-18-38\" class=\"pair-item\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n        \u003cspan class=\"pair-badge\"\u003ePopular\u003c\/span\u003e\n        \u003ch4\u003eTomato Fertilizer 4-18-38\u003c\/h4\u003e\n        \u003cp\u003eHigh-potassium formula for fruit production. Gypsum prevents blossom end rot while this feeds your plants.\u003c\/p\u003e\n      \u003c\/a\u003e\n      \u003ca href=\"\/products\/epsom-salt-agricultural-grade\" class=\"pair-item\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n        \u003cspan class=\"pair-badge\"\u003eEssential\u003c\/span\u003e\n        \u003ch4\u003eEpsom Salt (Magnesium Sulfate)\u003c\/h4\u003e\n        \u003cp\u003eAdd magnesium to complement gypsum's calcium. Both provide sulfur for complete nutrition.\u003c\/p\u003e\n      \u003c\/a\u003e\n      \u003ca href=\"\/products\/chelated-iron-dtpa-11\" class=\"pair-item\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n        \u003cspan class=\"pair-badge badge-optional\"\u003eMicronutrient\u003c\/span\u003e\n        \u003ch4\u003eChelated Iron DTPA 11%\u003c\/h4\u003e\n        \u003cp\u003eCorrect iron chlorosis in alkaline soils. Works great alongside gypsum's pH-neutral calcium.\u003c\/p\u003e\n      \u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- GROW WITH CONFIDENCE --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eGROW WITH CONFIDENCE\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eProduct Quality Guaranteed\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cul class=\"feature-list\"\u003e\n          \u003cli\u003eAll products manufactured and packaged in California, USA\u003c\/li\u003e\n          \u003cli\u003eTested by independent third-party laboratories for quality assurance\u003c\/li\u003e\n          \u003cli\u003eRegistered with the California Department of Food and Agriculture (CDFA)\u003c\/li\u003e\n          \u003cli\u003eRigorously tested to ensure products are free from heavy metals\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n    \n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eEnvironmental Responsibility\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cul class=\"feature-list\"\u003e\n          \u003cli\u003eResponsibly mined from natural deposits\u003c\/li\u003e\n          \u003cli\u003eMinimal processing to reduce energy consumption\u003c\/li\u003e\n          \u003cli\u003eHelps reduce agricultural runoff and erosion\u003c\/li\u003e\n          \u003cli\u003eImproves water infiltration and conservation\u003c\/li\u003e\n          \u003cli\u003eSupports sustainable soil management practices\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n    \n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eHassle-Free Return Policy\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eIf you're not completely satisfied, we offer a 90-day money-back guarantee. Simply return the unused portion in its original packaging, and we'll process a full refund.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n    \n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eCharitable Contributions\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003e1% of all profits go to our foundation, focused on improving educational opportunities for children. Learn more at \u003ca href=\"https:\/\/greenway.foundation\" target=\"_blank\" rel=\"noopener noreferrer\"\u003egreenway.foundation\u003c\/a\u003e.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- FAQ --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eFREQUENTLY ASKED QUESTIONS\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003e\u003cspan class=\"q-badge\"\u003eQ\u003c\/span\u003e How often should I apply gypsum?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eTypically once a year for maintenance or as recommended by a soil test. Heavy clay soils may benefit from annual applications, while sandy soils may only need gypsum every 2-3 years. For sodic soil reclamation, multiple applications may be needed based on the severity of sodium issues.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n    \n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003e\u003cspan class=\"q-badge\"\u003eQ\u003c\/span\u003e Will gypsum change my soil pH?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eNo, gypsum is pH neutral. Unlike lime (calcium carbonate), gypsum (calcium sulfate) adds calcium without raising soil pH. This makes it ideal when you need calcium but don't want to change pH, or for high-pH soils where lime would be detrimental.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n    \n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003e\u003cspan class=\"q-badge\"\u003eQ\u003c\/span\u003e Is gypsum safe for organic gardens?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eYes, mined gypsum is generally approved for use in organic farming. It's a natural mineral that doesn't contain synthetic additives. However, always verify with your specific certifying agency to ensure compliance with your organic certification requirements.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n    \n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003e\u003cspan class=\"q-badge\"\u003eQ\u003c\/span\u003e How quickly does gypsum work?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eGypsum begins working immediately upon application, but visible results vary. For improving water infiltration, you may see results within weeks. For sodic soil reclamation, it typically takes 3-6 months to see significant improvement. Full benefits for soil structure may take 1-2 years of regular application.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n    \n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003e\u003cspan class=\"q-badge\"\u003eQ\u003c\/span\u003e Can I apply gypsum with other fertilizers?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eYes, gypsum is compatible with most fertilizers and can be applied simultaneously. It won't react negatively with NPK fertilizers, organic amendments, or most pesticides. In fact, the calcium from gypsum can improve the uptake of other nutrients.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n    \n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003e\u003cspan class=\"q-badge\"\u003eQ\u003c\/span\u003e What's the difference between gypsum and lime?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eBoth provide calcium, but lime (calcium carbonate) raises soil pH while gypsum (calcium sulfate) does not. Use lime when you need to raise pH AND add calcium. Use gypsum when you need calcium without pH change, or when your soil is already alkaline.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- DISCOVER MORE --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eDISCOVER MORE GARDEN WISDOM\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cul class=\"doc-links\"\u003e\n      \u003cli\u003e📚 \u003ca href=\"\/blogs\/gardening-articles\/how-soil-erosion-affects-your-garden-and-what-you-can-do-about-it\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eHow Soil Erosion Affects Your Garden \u0026amp; What You Can Do About It\u003c\/a\u003e\n\u003c\/li\u003e\n      \u003cli\u003e🌱 \u003ca href=\"\/blogs\/gardening-articles\/understanding-soil-ph\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eUnderstanding Soil pH and Nutrient Availability\u003c\/a\u003e\n\u003c\/li\u003e\n      \u003cli\u003e💧 \u003ca href=\"\/blogs\/gardening-articles\/improving-clay-soil\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eImproving Clay Soil for Better Gardens\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- CONTACT --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eHAVE QUESTIONS?\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cp\u003eOur team is here to help with application advice and product recommendations.\u003c\/p\u003e\n    \u003cdiv class=\"info-box\" style=\"text-align:center;\"\u003e\n      \u003cstrong\u003eEmail:\u003c\/strong\u003e \u003ca href=\"mailto:questions@greenwaybiotech.com\"\u003equestions@greenwaybiotech.com\u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"1 Pound","offer_id":45741390332100,"sku":"018227120319","price":19.99,"currency_code":"USD","in_stock":true},{"title":"2 Pounds","offer_id":45741390364868,"sku":"018227120326","price":22.99,"currency_code":"USD","in_stock":true},{"title":"3 Pounds","offer_id":45741390397636,"sku":"018227120333","price":26.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":45741390430404,"sku":"018227120340","price":31.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":45741390463172,"sku":"018227120357","price":45.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":45741390495940,"sku":"018227120364","price":79.99,"currency_code":"USD","in_stock":true},{"title":"50 Pounds (or 2 x 25 pound bags)","offer_id":45741390528708,"sku":"018227120371","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/5971\/6548\/files\/Gypsum-Tampa-Home-Garden-Store-37401681068228.jpg?v=1770774314","url":"https:\/\/shop.soil911.com\/products\/gypsum","provider":"Tampa Home \u0026 Garden Store","version":"1.0","type":"link"}