{"product_id":"vivosun-1-6-inch-rockwool-cubes-hydroponics-propagation-8-sheets-224-plugs","title":"VIVOSUN 1.6-Inch Rockwool Cubes – Hydroponics Propagation, 8 Sheets (224 Plugs)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eVIVOSUN 1.6-Inch Rockwool Cubes deliver uniform propagation plugs designed for hydroponics, cloning, cuttings, and seed starting. Crafted from natural minerals and fibers, these blocks are formed into reliable plugs that support steady growth from the very first day.\u003c\/p\u003e\n\u003ch3\u003eWhat makes these cubes stand out\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRockwool material is derived from natural ingredients—60% basalt, 20% coke, 20% limestone with a trace of iron slag—melted at high temperatures, spun into fine fibers, then compressed into durable, uniform blocks.\u003c\/li\u003e\n  \u003cli\u003eHigh porosity (about 95%) delivers abundant oxygen to roots, helping foster strong, healthy root systems and an ideal environment for early development.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSterile and inorganic, reducing the risk of harmful fungi while keeping moisture where it matters.\u003c\/li\u003e\n  \u003cli\u003eExcellent water retention to hydrate young plants and support steady nutrient delivery between waterings.\u003c\/li\u003e\n  \u003cli\u003eLight, fluffy structure that’s easy to cut to size and place around seeds or cuttings for precise spacing.\u003c\/li\u003e\n  \u003cli\u003eEach pack includes 8 sheets of rockwool, with 28 cubes per sheet, totaling 224 plugs for multiple rounds.\u003c\/li\u003e\n  \u003cli\u003eClear, single-sheet observation of root development as you migrate plugs to a growing medium.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eRinse and prep as needed, place seeds or cuttings into the pre-made holes, and watch for roots to form. When ready, transfer plugs to a larger substrate or hydroponic medium to continue growth.\u003c\/p\u003e\n\u003ch3\u003eApplications for diverse setups\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHydroponics systems that benefit from oxygen-rich roots and consistent plug size.\u003c\/li\u003e\n  \u003cli\u003eCloning and propagation in a controlled environment with reliable moisture retention.\u003c\/li\u003e\n  \u003cli\u003eSeed starting and early-stage transplanting with uniform dimensions for predictable spacing.\u003c\/li\u003e\n  \u003cli\u003eFlexible media transitions for growers exploring non-soil setups or mixed media systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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 are these rockwool cubes best used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Ideal for hydroponics, cloning, cuttings, and seed starting in a controlled, consistent plug form.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many plugs come in the package?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 8 sheets with 28 cubes each, totaling 224 plugs for multi-round propagation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"VIVOSUN","offers":[{"title":"Default Title","offer_id":45777115480250,"sku":"B0CQ7TDJ9S","price":83.9,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/vivosun-rockwool-cubes-1-6-inch.jpg?v=1776065230","url":"https:\/\/gardencanada.ca\/products\/vivosun-1-6-inch-rockwool-cubes-hydroponics-propagation-8-sheets-224-plugs","provider":"Garden Canada","version":"1.0","type":"link"}