{"product_id":"foxfarm-cultivation-nation-cal-mag-for-plants-4-0-0-3-ca-1-mg-1-pint","title":"FoxFarm Cultivation Nation Cal-Mag for Plants – 4-0-0, 3% Ca, 1% Mg, 1 Pint","description":"\u003ch2\u003eBalanced calcium and magnesium for steady plant growth\u003c\/h2\u003e\n\u003cp\u003eFoxFarm Cultivation Nation Cal-Mag offers a purposefully balanced 4-0-0 base with 3% calcium and 1% magnesium. This concentrate is designed to support strong cell walls, healthy nutrient uptake, and vibrant foliage throughout your crop cycle, without making promises beyond what the plant can achieve with steady care.\u003c\/p\u003e\n\u003cp\u003eIn practice, many growers use this Cal-Mag as a reliable supplement to help fill common gaps in calcium and magnesium, especially when results from a base feed feel uneven or when fruits and leaves show signs of tensile stress. The formula is formulated to integrate smoothly with regular irrigation, creating a foundation you can build on as your plants grow and respond to light, temperature, and watering schedules.\u003c\/p\u003e\n\n\u003ch3\u003eKey nutrients that support steady growth\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCalcium helps reinforce tissue structure, supporting new growth and fruit set.\u003c\/li\u003e\n  \u003cli\u003eMagnesium plays a crucial role in chlorophyll function and energy transfer within the plant.\u003c\/li\u003e\n  \u003cli\u003eThe 4-0-0 base creates a simple, easy-to-mollow nutrient profile that pairs with a broad range of feeding programs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy growers reach for Cal-Mag\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAddresses calcium and magnesium gaps that can slow development and vigor.\u003c\/li\u003e\n  \u003cli\u003eCan help reduce common stress points like blossom end rot and tip burn when used as part of a consistent feeding plan.\u003c\/li\u003e\n  \u003cli\u003eSupports predictable nutrient availability when pH is kept in the recommended range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eMix 1 tablespoon (15 mL) per gallon of water and apply weekly. Start before bud development and adjust based on plant response and growth stage. A small, steady dose can be more effective than infrequent heavy applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAccurate measurement matters: use a proper measuring tool for consistency.\u003c\/li\u003e\n  \u003cli\u003ePair with a balanced fertilizer program and regular irrigation to maximize benefits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTips for best absorption\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eKeep irrigation pH between 5.6 and 6.8 to optimize nutrient uptake.\u003c\/li\u003e\n  \u003cli\u003eStore in a cool, dry place away from direct sunlight to preserve potency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eA trusted name in gardening since 1984\u003c\/h3\u003e\n\u003cp\u003eFoxFarm has a long history of producing top-quality plant foods. This Cal-Mag formula is greenhouse-tested for consistency, giving you reliable results across different crops and growing environments.\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 to support plant growth; mix 1 Tbsp per gallon of water and apply weekly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What pH range helps Cal-Mag work best?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Maintain a pH between 5.6 and 6.8 for optimal nutrient availability.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FoxFarm","offers":[{"title":"Default Title","offer_id":45740998394042,"sku":"B0DLHX914F","price":55.1,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/foxfarm-cultivation-nation-cal-mag-bottle.jpg?v=1774806473","url":"https:\/\/gardencanada.ca\/products\/foxfarm-cultivation-nation-cal-mag-for-plants-4-0-0-3-ca-1-mg-1-pint","provider":"Garden Canada","version":"1.0","type":"link"}