{"product_id":"humboldts-secret-calmag-iron-calcium-magnesium-chelated-iron-fertilizer-for-soil-coco-hydroponics-1-gallon","title":"Humboldts Secret CalMag \u0026 Iron – Calcium, Magnesium \u0026 Chelated Iron Fertilizer for Soil, Coco, Hydroponics | 1 Gallon","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eHumboldts Secret CalMag \u0026amp; Iron is a versatile nutrient supplement designed to round out essential minerals for robust plant growth. The blend delivers calcium, magnesium, and chelated iron to support sturdy stems, vibrant leaf color, and healthy flowering across a variety of growing media. This all‑in‑one blend aims to simplify feeding while promoting balanced nutrition that supports plants from vegetative vigor to fruiting potential.\u003c\/p\u003e\n\u003cp\u003ePackaging updates may bring either the previous or updated packaging during a transition; the formula and performance remain the same, so you can count on consistency across batches.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eStrength for every stage: a calibrated CalMag \u0026amp; Iron blend designed to fortify stems and enrich leaf color, while supporting flowering and fruit formation.\u003c\/li\u003e\n  \u003cli\u003eFast-acting recovery: a balanced formula that helps address nutrient imbalances, potentially boosting photosynthesis, nutrient transport, and root health.\u003c\/li\u003e\n  \u003cli\u003eMaximum absorption power: chelated iron enhances mineral uptake for steadier vegetative growth and more reliable blooms.\u003c\/li\u003e\n  \u003cli\u003eReliable across setups: works smoothly in hydroponics, soil, and container gardens for steady nutrition in indoor and outdoor systems.\u003c\/li\u003e\n  \u003cli\u003eFruit-focused support: proven friendly to coco coir or RO water environments, helping prevent blossom issues and promote firm fruit set.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eThe formula combines calcium, magnesium, and chelated iron to improve structural integrity, leaf color, and flowering potential without requiring multiple separate products. Chelated iron increases availability in challenging media, supporting consistent nutrition across feeding routines.\u003c\/p\u003e\n\n\u003ch3\u003ePractical Use Scenarios\u003c\/h3\u003e\n\u003cp\u003eWhether growing in soil, coco, or running a hydroponic system, you can tailor feeds to your schedule with predictable results. This CalMag \u0026amp; Iron mix is a convenient addition to veg and bloom programs, offering flexibility for diverse crops and environments.\u003c\/p\u003e\n\n\u003ch3\u003ePro Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse as part of a balanced feeding plan to support developing roots and stems.\u003c\/li\u003e\n  \u003cli\u003ePair with other Humboldts Secret products to create a complete nutrition strategy tailored to your crop and media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What media is Humboldts Secret CalMag \u0026amp; Iron compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Suitable for soil, coco, hydroponics, and RO water, providing balanced calcium, magnesium, and iron.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the packaging change affect performance?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Packaging may vary during a transition, but the formula and performance remain the same.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Humboldts Secret","offers":[{"title":"Default Title","offer_id":43982226063494,"sku":"B01GB23TD0","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/humboldts-secret-calmag-iron-bottle-label.jpg?v=1778747582","url":"https:\/\/patiozora.com\/products\/humboldts-secret-calmag-iron-calcium-magnesium-chelated-iron-fertilizer-for-soil-coco-hydroponics-1-gallon","provider":"PatioZora","version":"1.0","type":"link"}