{"product_id":"cal-mag-extreme-advanced-calcium-magnesium-amp-micronutrient-supplement-for-plants-strengthens-cell-walls-prevents-deficiencies-amp-promotes-vigorous-growth-for-all-plants-lawns-gardens","title":"Cal-Mag Extreme – Advanced Calcium \u0026 Magnesium for Plants","description":"\u003cp\u003e\u003cstrong\u003eCal-Mag Extreme – Advanced Calcium, Magnesium \u0026amp; Micronutrient Supplement for Plants – Strengthens Cell Walls, Prevents Deficiencies \u0026amp;amp; Promotes Vigorous Growth – For All Plants, Lawns \u0026amp; Gardens\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCal-Mag Extreme\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003eGS Plant Foods Cal-Mag Extreme – Advanced Calcium, Magnesium \u0026amp; Micronutrient Supplement for Plants – Strengthens Cell Walls, Prevents Deficiencies \u0026amp; Promotes Vigorous Growth – For All Plants, Lawns \u0026amp; Gardens\u003c\/h3\u003e\n\u003cp data-start=\"1627\" data-end=\"1692\"\u003e\u003cstrong data-start=\"1627\" data-end=\"1692\"\u003eCorrect Deficiencies. Strengthen Growth. Supercharge Results.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1694\" data-end=\"2006\"\u003eGS Plant Foods \u003cstrong data-start=\"1709\" data-end=\"1728\"\u003eCal-Mag Extreme\u003c\/strong\u003e delivers the critical secondary and micronutrients plants need for healthy, balanced growth. Formulated with highly available sources of \u003cstrong data-start=\"1866\" data-end=\"1891\"\u003eCalcium and Magnesium\u003c\/strong\u003e, it also includes \u003cstrong data-start=\"1910\" data-end=\"1966\"\u003eSulfur, Iron, Manganese, Zinc, Boron, and Molybdenum\u003c\/strong\u003e to ensure complete nutritional support.\u003c\/p\u003e\n\u003cp data-start=\"2008\" data-end=\"2311\"\u003eCalcium and magnesium are often overlooked—but they are essential for building strong cell walls, maintaining chlorophyll production, and supporting the transport of nutrients throughout the plant. Deficiencies in these elements can lead to weak stems, yellow leaves, blossom end rot, and reduced yield.\u003c\/p\u003e\n\u003cp data-start=\"2313\" data-end=\"2432\"\u003eCal-Mag Extreme prevents these problems before they start—\u003cstrong data-start=\"2371\" data-end=\"2432\"\u003ekeeping your plants strong, green, and highly productive.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2313\" data-end=\"2432\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"627\" data-end=\"867\"\u003e💪 \u003cstrong data-start=\"630\" data-end=\"660\"\u003eCOMPLETE NUTRIENT SUPPORT:\u003c\/strong\u003e Cal-Mag Extreme provides essential \u003cstrong data-start=\"696\" data-end=\"735\"\u003eCalcium (2.5%) and Magnesium (1.0%)\u003c\/strong\u003e—plus Sulfur, Iron, Manganese, Zinc, Boron, and Molybdenum—to correct deficiencies and \u003cstrong data-start=\"822\" data-end=\"851\"\u003emaximize nutrient balance\u003c\/strong\u003e in your plants.\u003c\/p\u003e\n\u003cp data-start=\"869\" data-end=\"1055\"\u003e🌿 \u003cstrong data-start=\"872\" data-end=\"899\"\u003eBUILDS STRONGER PLANTS:\u003c\/strong\u003e Calcium fortifies cell walls and prevents common issues like blossom end rot, while magnesium supports chlorophyll production for lush, dark-green foliage.\u003c\/p\u003e\n\u003cp data-start=\"1057\" data-end=\"1238\"\u003e⚡ \u003cstrong data-start=\"1059\" data-end=\"1089\"\u003eOPTIMIZES NUTRIENT UPTAKE:\u003c\/strong\u003e Enhances the absorption and mobility of nitrogen, phosphorus, and potassium—\u003cstrong data-start=\"1166\" data-end=\"1207\"\u003emaking your fertilizer more effective\u003c\/strong\u003e and reducing nutrient lockout.\u003c\/p\u003e\n\u003cp data-start=\"1240\" data-end=\"1392\"\u003e🌸 \u003cstrong data-start=\"1243\" data-end=\"1273\"\u003eBOOSTS GROWTH \u0026amp; FLOWERING:\u003c\/strong\u003e Strengthens roots, improves nutrient flow, and promotes more consistent flowering and fruiting across all plant types.\u003c\/p\u003e\n\u003cp data-start=\"1394\" data-end=\"1590\"\u003e🌎 \u003cstrong data-start=\"1397\" data-end=\"1420\"\u003eSAFE \u0026amp; EASY TO USE:\u003c\/strong\u003e 100% soluble and compatible with all fertilizers, hydroponic systems, and soil types. Non-toxic, environmentally safe, and suitable for all plants, indoors and outdoors.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat is Cal Mag 420 Dry?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eGS Plant Foods Cal Mag 420 Dry Super Concentrate is our Dry, powdered version. Your all-in-one solution for robust plant health and unstoppable growth! This water-soluble powder delivers a powerhouse blend of calcium (13%), magnesium (3%), and sulfur (4%)—critical secondary nutrients that fortify cell walls, boost photosynthesis, and shield plants from disease. As an effective cal mag plant food for plants, it provides essential support for healthy development. With just ¼ teaspoon per gallon, one 18-ounce jar makes 420 gallons of nutrient-rich solution, perfect for soil, hydroponics, coco coir, and container gardens. 🌿\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e💪\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eStronger Plants\u003c\/strong\u003e: Natural cal mag for plants helps strengthen cell walls with calcium and boosts chlorophyll production with magnesium for lush, vibrant growth.\u003c\/p\u003e\n\u003cp\u003e🛡️\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDisease Defense\u003c\/strong\u003e: Cal mag fertilizer enhances natural resistance to pests, mold, and environmental stressors.\u003c\/p\u003e\n\u003cp\u003e🌞\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOptimized Photosynthesis\u003c\/strong\u003e: Sulfur ensures efficient nutrient mobility and energy conversion.\u003c\/p\u003e\n\u003cp\u003e🌍\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUniversal Compatibility\u003c\/strong\u003e: Safe for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eall growth stages\u003c\/strong\u003e—seedling to bloom—and all growing mediums.\u003c\/p\u003e\n\u003cp\u003e💧\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eZero Waste\u003c\/strong\u003e: 100% water-soluble cal-mag for plants formula leaves no residue, ensuring full nutrient absorption.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIngredient Breakdown\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCalcium (13%)\u003c\/strong\u003e: Builds robust cell structure and improves root-to-shoot nutrient flow when you add Cal-Mag for plants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMagnesium (3%)\u003c\/strong\u003e: Core component of chlorophyll for deeper greens and higher yields.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSulfur (4%)\u003c\/strong\u003e: Cal-Mag fertilizer supports enzyme production and amino acid synthesis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGuaranteed Analysis\u003c\/strong\u003e: 11% nitrate nitrogen, pH-balanced for seamless integration with any regimen.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDerived From\u003c\/strong\u003e: Calcium nitrate and magnesium sulfate—pure, plant-ready nutrients.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat is Cal Mag 420 Dry?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eGS Plant Foods Cal Mag 420 Dry Super Concentrate is our Dry, powdered version. Your all-in-one solution for robust plant health and unstoppable growth! This water-soluble powder delivers a powerhouse blend of calcium (13%), magnesium (3%), and sulfur (4%)—critical secondary nutrients that fortify cell walls, boost photosynthesis, and shield plants from disease. As an effective cal mag plant food for plants, it provides essential support for healthy development. With just ¼ teaspoon per gallon, one 18-ounce jar makes 420 gallons of nutrient-rich solution, perfect for soil, hydroponics, coco coir, and container gardens. 🌿\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow to Use Cal-Mag Extreme\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSimple Mix \u0026amp; Grow\u003c\/strong\u003e:\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDilute\u003c\/strong\u003e: Stir\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e¼ teaspoon\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einto 1 gallon of water (1 jar = 420 gallons!).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApply Weekly\u003c\/strong\u003e: Use as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eroot drench\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eduring irrigation for soil, coco, or hydroponic systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAvoid Foliar Spray\u003c\/strong\u003e: Cal-mag fertilizer designed specifically for soil and root absorption only.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003ePro Tip\u003c\/em\u003e: Cal-Mag Extreme Liquid or Cal-Mag Dry 402 for plants pairs perfectly with primary nutrients for a complete feeding program!\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18.0pt; line-height: 107%;\"\u003eFrequently Asked Questions:\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003eQ: What is Cal-Mag Extreme?\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003e\u003cbr\u003e\u003cb\u003eA:\u003c\/b\u003e balanced blend of \u003cb\u003eCalcium, Magnesium, and essential micronutrients\u003c\/b\u003e that strengthens plants, prevents deficiencies, and improves nutrient uptake. Safe and effective for all plants and growing systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003e_____________________________________________________________________________\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003eQ: What makes Cal-Mag Extreme different from other Cal-Mag products?\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003e\u003cbr\u003e\u003cb\u003eA:\u003c\/b\u003e Cal-Mag Extreme contains a \u003cb\u003ecomplete suite of micronutrients\u003c\/b\u003e (Fe, Mn, Zn, B, Mo) in addition to calcium and magnesium—ensuring balanced nutrition, faster uptake, and superior growth compared to basic two-element blends.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\" style=\"margin-bottom: 0in; text-align: center; line-height: normal;\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003eQ: How do I know if my plants need Cal-Mag?\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003e\u003cbr\u003e\u003cb\u003eA:\u003c\/b\u003e If you see \u003cb\u003eyellowing leaves, weak stems, blossom end rot, or poor fruit development\u003c\/b\u003e, your plants are likely deficient in calcium or magnesium. Cal-Mag Extreme restores proper nutrient balance fast.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\" style=\"margin-bottom: 0in; text-align: center; line-height: normal;\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003eQ: Can I mix this with my fertilizer or kelp?\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003e\u003cbr\u003e\u003cb\u003eA:\u003c\/b\u003e Absolutely. Cal-Mag Extreme is 100% compatible with all GS Plant Foods fertilizers, including \u003cb\u003eLiquid Fish, Liquid Kelp, and Root Ruckus\u003c\/b\u003e. It helps your plants make better use of those nutrients.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\" style=\"margin-bottom: 0in; text-align: center; line-height: normal;\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003eQ: Is this safe for edible crops and hydroponics?\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003e\u003cbr\u003e\u003cb\u003eA:\u003c\/b\u003e Yes—Cal-Mag Extreme is completely soluble and safe for all growing environments, including hydroponic and aquaponic systems, greenhouses, and food crops.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\" style=\"margin-bottom: 0in; text-align: center; line-height: normal;\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003eQ: How often should I apply it?\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003e\u003cbr\u003e\u003cb\u003eA:\u003c\/b\u003e Apply every 1–2 weeks during active growth, or whenever deficiencies are suspected. Regular use promotes steady, balanced nutrition and prevents future issues.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003cspan style=\"color: red;\"\u003e \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003cspan style=\"color: red;\"\u003eApplying a calcium-magnesium product\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: red;\"\u003e \u003c\/span\u003ecan benefit various types of plants, especially those that require sufficient levels of these essential minerals for their growth and development. Calcium and magnesium are both important secondary nutrients for plants, playing vital roles in various physiological processes. Plants that can benefit from the application of a calcium-magnesium product include:\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003ci\u003eTomatoes:\u003c\/i\u003e\u003c\/b\u003e Tomatoes require an adequate supply of calcium to prevent disorders like blossom end rot, which can affect fruit quality.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003ci\u003ePeppers\u003c\/i\u003e\u003c\/b\u003e: Peppers benefit from balanced calcium and magnesium levels for proper fruit development and resistance to stress.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003ci\u003e \u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003ci\u003eCucumbers:\u003c\/i\u003e\u003c\/b\u003e Cucumbers also need sufficient calcium and magnesium to support healthy fruiting and prevent issues such as bitter-tasting cucumbers.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003ci\u003eLeafy Greens:\u003c\/i\u003e\u003c\/b\u003e Plants like lettuce, spinach, kale, and other leafy greens benefit from calcium and magnesium for leaf development and overall plant vigor.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003ci\u003eBroccoli and Cauliflower:\u003c\/i\u003e\u003c\/b\u003e These brassica vegetables can benefit from calcium and magnesium for healthy head formation and reduced susceptibility to diseases.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003ci\u003eBeans\u003c\/i\u003e\u003c\/b\u003e: Both bush and pole beans benefit from adequate calcium and magnesium for proper pod development and overall plant growth.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003ci\u003eApples\u003c\/i\u003e\u003c\/b\u003e: Apple trees require calcium and magnesium for strong cell walls, which can improve fruit quality and storage ability.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003ci\u003eGrapes\u003c\/i\u003e\u003c\/b\u003e: Grapes benefit from balanced calcium and magnesium levels for improved berry development and disease resistance.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003ci\u003eCitrus Trees\u003c\/i\u003e\u003c\/b\u003e: Citrus trees need calcium and magnesium for healthy fruit formation and reduced susceptibility to nutrient deficiencies.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003e\u003ci\u003ePotatoes:\u003c\/i\u003e\u003c\/b\u003e Potatoes can benefit from calcium and magnesium to prevent common issues like hollow heart and improve tuber quality.\u003c\/p\u003e\n\u003chr\u003e","brand":"GS Plant Foods","offers":[{"title":"18 Ounces (Dry)","offer_id":44533223882887,"sku":"CMdry18oz","price":24.95,"currency_code":"USD","in_stock":true},{"title":"1 Quart (Liquid)","offer_id":44533223915655,"sku":"MMextQuart","price":21.95,"currency_code":"USD","in_stock":true},{"title":"1 Gallon (Liquid)","offer_id":44533223948423,"sku":"MMextGal-FBA","price":40.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/9743\/2967\/files\/01_B09M7KNTZ6_Hero.jpg?v=1777158523","url":"https:\/\/liveaquaponics.com\/products\/cal-mag-extreme-advanced-calcium-magnesium-amp-micronutrient-supplement-for-plants-strengthens-cell-walls-prevents-deficiencies-amp-promotes-vigorous-growth-for-all-plants-lawns-gardens","provider":"Live Aquaponics","version":"1.0","type":"link"}