{"product_id":"gh-cal-mag-silica-combo-calimagic-amp-armor-si-1-gallon-each","title":"GH Cal-Mag + Silica Combo — CALiMAGic \u0026 Armor Si, 1 Gallon Each","description":"\u003cp\u003e\u003cstrong\u003eTwo General Hydroponics staples that cover different, common deficiency issues, bundled at a real discount.\u003c\/strong\u003e CALiMAGic supplies calcium and magnesium, the two nutrients RO water and coco coir strip out first. Armor Si adds plant-available silicon for stronger cell walls and better stress tolerance. Same brand, same 1-gallon size, genuinely complementary rather than overlapping.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Hydroponics CALiMAGic, 1 Gallon\u003c\/strong\u003e — calcium and magnesium supplement ($32.70 individually)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Hydroponics Armor Si, 1 Gallon\u003c\/strong\u003e — plant-available silicon supplement ($33.71 individually)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBought separately, these two run \u003cstrong\u003e$66.41\u003c\/strong\u003e. As a bundle: \u003cstrong\u003e$59.99\u003c\/strong\u003e, a genuine $6.42 savings (about 10%).\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNote: this bundle ships as one order containing both items. See our blog posts on Cal-Mag comparisons and silica supplements for more on why these two address different, common issues.\u003c\/em\u003e\u003c\/p\u003e","brand":"Modern Farms","offers":[{"title":"Default","offer_id":45665920319574,"sku":"BUNDLE-GH-CALMAG-SI-01","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/3025\/8262\/files\/qt_20df49d1-8226-41d6-90f3-77b22121c8b2.jpg?v=1787849712","url":"https:\/\/modernfarms.store\/products\/gh-cal-mag-silica-combo-calimagic-amp-armor-si-1-gallon-each","provider":"Modern Farms","version":"1.0","type":"link"}