{"product_id":"gt-liquid-iron","title":"GT Liquid Iron – Iron Deficiency Corrector for Hydroponics \u0026 Problem Soils (250ml, 1L, 5L)","description":"\u003ch2\u003eYellow Leaves Between the Veins? That’s Iron Deficiency — Fix It Fast\u003c\/h2\u003e\u003cp\u003eIf your plants are showing yellowing between the veins of young leaves or at the growing tips, they’re telling you they’re iron deficient. GT Liquid Iron is a triple-chelated iron supplement formulated to correct and prevent iron deficiency quickly — restoring deep green colour, vigorous growth, and plant health in even the most challenging growing conditions.\u003c\/p\u003e\u003ch2\u003eWhy GT Liquid Iron Works Where Others Don’t\u003c\/h2\u003e\u003cp\u003eMost iron supplements use a single chelate form that becomes unavailable outside a narrow pH range. GT Liquid Iron uses \u003cstrong\u003ethree iron sources\u003c\/strong\u003e for broad-spectrum availability across different pH levels and growing media:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e🌱 \u003cstrong\u003eIron sulphate\u003c\/strong\u003e — fast-acting, immediately available iron for rapid deficiency correction\u003c\/li\u003e\n\u003cli\u003e🌱 \u003cstrong\u003eDTPA chelate\u003c\/strong\u003e — stable and available across a wide pH range in hydroponic systems\u003c\/li\u003e\n\u003cli\u003e🌱 \u003cstrong\u003eEDDHA chelate\u003c\/strong\u003e — the strongest chelate form, effective even in high-pH calcareous soils and gravel grow beds where iron is typically locked out\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTotal iron: 2.02g\/L\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eSpot the Signs of Iron Deficiency Early\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e⚠️ \u003cstrong\u003eYellowing between the veins\u003c\/strong\u003e of young leaves (interveinal chlorosis) — the classic iron deficiency symptom\u003c\/li\u003e\n\u003cli\u003e⚠️ \u003cstrong\u003eYellowing at the growing tips\u003c\/strong\u003e — new growth affected first while older leaves stay green\u003c\/li\u003e\n\u003cli\u003e⚠️ \u003cstrong\u003ePlants in calcareous soils or gravel grow beds\u003c\/strong\u003e — these environments lock up iron even when it’s present in the media\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat You’ll See After Using GT Liquid Iron\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eRestored deep green colour\u003c\/strong\u003e — chlorosis reverses as iron becomes available to the plant\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eResumed vigorous growth\u003c\/strong\u003e — iron is essential for chlorophyll production and energy transfer\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eStronger disease resistance\u003c\/strong\u003e — healthy, iron-sufficient plants are more resilient to pests and pathogens\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWorks in problem soils\u003c\/strong\u003e — EDDHA chelate stays available even in high-pH and calcareous conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRoot drench (correction \u0026amp; prevention):\u003c\/strong\u003e Dilute \u003cstrong\u003e2ml per litre\u003c\/strong\u003e of water. Apply weekly until the deficiency is corrected, then reduce to maintenance as needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFoliar spray (fast correction):\u003c\/strong\u003e Dilute \u003cstrong\u003e1ml per litre\u003c\/strong\u003e of water. Spray in low light conditions (early morning or evening) to prevent leaf burn. Apply to both tops and undersides of leaves.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e For fastest results, use both root drench and foliar application together until symptoms resolve.\u003c\/p\u003e\u003ch2\u003eChoose the Right Size\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e250ml\u003c\/strong\u003e — ideal for home growers and treating isolated deficiency issues\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1L\u003c\/strong\u003e — great for regular growers maintaining iron levels across a full grow cycle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5L\u003c\/strong\u003e — best value for large-scale grows and commercial operations\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eBy Growth Technology — trusted by Australian hydroponic growers for decades.\u003c\/em\u003e\u003c\/p\u003e","brand":"Growth Technology","offers":[{"title":"250ml","offer_id":48212172701910,"sku":null,"price":15.0,"currency_code":"AUD","in_stock":true},{"title":"1L","offer_id":48212172734678,"sku":null,"price":25.0,"currency_code":"AUD","in_stock":true},{"title":"5L","offer_id":48212172767446,"sku":null,"price":105.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/6097\/9158\/files\/GTLIQUIDIRON2.jpg?v=1778211862","url":"https:\/\/growersdepot.com.au\/products\/gt-liquid-iron","provider":"Growers Depot","version":"1.0","type":"link"}