{"product_id":"foxfarm-cultivation-nation-cal-mag-for-plants-4-0-0-3-calcium-1-magnesium-1-quart","title":"FoxFarm Cultivation Nation Cal-Mag for Plants – 4-0-0, 3% Calcium, 1% Magnesium, 1 Quart","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eFoxFarm Cultivation Nation Cal-Mag for Plants is a targeted supplement designed to enhance calcium and magnesium availability for healthy growth. Packaged in a 1-quart bottle, this formula blends a 4-0-0 base with 3% calcium and 1% magnesium to support steady nutrient supply during key growth stages.\u003c\/p\u003e\u003cp\u003eCalcium and magnesium are essential building blocks for strong cell walls, nutrient transport, and pigment production in many fruiting and leafy crops. This formulation aims to balance nutrients and reduce common gaps that can slow development or create uneven fruiting. While outcomes vary with care and environment, many cultivators find Cal-Mag a practical addition to regular feeding routines.\u003c\/p\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCalcium and magnesium supplementation supports balanced nutrient availability and healthier tissue.\u003c\/li\u003e\n\u003cli\u003eHelps with fruit development and stem strength, potentially reducing growth interruptions.\u003c\/li\u003e\n\u003cli\u003eEasy, consistent dosing fits into weekly feeding schedules for many plant types.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMix 1 tablespoon (15 mL) per gallon of water and apply weekly. Begin before bud development and adjust as needed.\u003c\/li\u003e\n\u003cli\u003eKeep the growing medium pH between 5.6 and 6.8 to encourage nutrient uptake.\u003c\/li\u003e\n\u003cli\u003eIntegrates with your existing FoxFarm feeding plan and can be used throughout the growing cycle.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eQuality and reliability\u003c\/h3\u003e\u003cp\u003eFoxFarm has specialized in greenhouse-tested fertilizers since 1984, focusing on consistency and dependable results across batches. This Cal-Mag supplement is designed to complement other FoxFarm products and to slot into standard cultivation routines.\u003c\/p\u003e\u003ch3\u003eReal-world use cases\u003c\/h3\u003e\u003cp\u003eHome gardeners and hobby growers often use Cal-Mag to support fruit set on tomatoes, peppers, and other fruiting crops, as well as to sustain vigor in leafy greens and flowering ornamentals. Experiences vary with plant variety, lighting, and environmental conditions, but consistent weekly feeding can help maintain steady growth and uniform development.\u003c\/p\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 is FoxFarm Cultivation Nation Cal-Mag used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A calcium and magnesium supplement designed to support plant growth and help prevent common nutrient-related issues when used as directed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I use FoxFarm Cultivation Nation Cal-Mag?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Mix 1 Tbsp (15 mL) per gallon of water and apply weekly, starting before bud development, while keeping the pH between 5.6 and 6.8.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FoxFarm","offers":[{"title":"Default Title","offer_id":45741753991354,"sku":"B0DLJJND85","price":75.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/foxfarm-cultivation-nation-cal-mag-bottle-front.jpg?v=1774833707","url":"https:\/\/gardencanada.ca\/products\/foxfarm-cultivation-nation-cal-mag-for-plants-4-0-0-3-calcium-1-magnesium-1-quart","provider":"Garden Canada","version":"1.0","type":"link"}