{"product_id":"the-hydroponic-city-1-5-inch-grodan-rockwool-cubes-for-seed-starter-98-plugs-stakes","title":"The Hydroponic City 1.5-inch Grodan Rockwool Cubes for Seed Starter (98 Plugs) + Stakes","description":"\u003ch2\u003eSeed Starting Made Simple with 1.5-Inch Grodan Rockwool Cubes\u003c\/h2\u003e\n\u003cp\u003eDesigned for hydroponics and soilless growing, these cubes blend moisture control with breathable aeration to cradle young plants in a nurturing, soil-free environment. Made from spun basalt rock, the rockwool acts as an inert, sterile scaffold that remains consistent as roots begin to form, helping you focus on the process of growth rather than the logistics of media.\u003c\/p\u003e\n\u003cp\u003eIn real-world use, you’ll notice the balance between moisture retention and air flow. The cubes hold enough water to keep roots hydrated without becoming soggy, while still allowing oxygen to reach developing tissues. This balance helps seeds and cuttings establish a strong foundation, even in busy grow rooms or busy households where timing matters.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eExcellent water retention paired with robust aeration supports steady moisture and root oxygenation\u003c\/li\u003e\n  \u003cli\u003eRoot-friendly structure promotes healthy growth for seeds, clones, and cuttings\u003c\/li\u003e\n  \u003cli\u003eMess-free propagation that maintains shape and cleanliness during handling and transplanting\u003c\/li\u003e\n  \u003cli\u003eVersatile for germination trays, humidity domes, and crops such as vegetables, herbs, flowers, and cannabis\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSeed starting and cloning ready\u003c\/h3\u003e\n\u003cp\u003eThese 1.5-inch cubes are perfectly sized for germination trays and humidity domes, making them a practical choice for a wide range of crops. They provide a reliable home for seeds and cuttings as roots begin to grow and prepare for transplant.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEasy wet-and-place propagation that keeps media clean and contained\u003c\/li\u003e\n  \u003cli\u003eSupports seed starting and cloning with minimal mess or soil handling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSterile, inert, and pH balanced\u003c\/h3\u003e\n\u003cp\u003eGrodan rockwool is an inert substrate derived from spun basalt rock. The material is sterile and maintains a balanced pH, helping to support consistent root development from seed to transplant without introducing soil-based contaminants.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInert, sterile substrate helps minimize contamination risk\u003c\/li\u003e\n  \u003cli\u003eBalanced pH supports predictable growth environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and how to use\u003c\/h3\u003e\n\u003cp\u003ePackage highlights include 98 hydroponic plugs and The Hydroponic City Stakes, designed for a straightforward setup and organized growth spaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e98 hydroponic plugs for broad seed-starting capacity\u003c\/li\u003e\n  \u003cli\u003eThe Hydroponic City Stakes for stable, tidy installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n  \u003cli\u003eWet the cubes to reach the desired moisture level\u003c\/li\u003e\n  \u003cli\u003eInsert seeds or cuttings, then place in a tray or grow system\u003c\/li\u003e\n  \u003cli\u003eMaintain consistent moisture and provide appropriate light and temperature\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-world use cases\u003c\/h3\u003e\n\u003cp\u003ePerfect for home growers and professional setups alike, these cubes are well-suited for vegetables, herbs, flowers, and specialty crops. They offer a practical, clean propagation medium that supports orderly transplant workflows and reliable early-stage growth.\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 are 1.5-inch Grodan Rockwool Cubes best for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They’re ideal for hydroponics and soilless growing, supporting seed germination, healthy root formation, and ready transplanting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these cubes need any special prep before use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse and wet the cubes with your solution, then place seeds or cuttings in a tray or system.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"The Hydroponic City","offers":[{"title":"Default Title","offer_id":45747255935162,"sku":"B078HC9DTQ","price":75.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/the-hydroponic-city-rockwool-cubes-seed-starter.jpg?v=1775002354","url":"https:\/\/gardencanada.ca\/products\/the-hydroponic-city-1-5-inch-grodan-rockwool-cubes-for-seed-starter-98-plugs-stakes","provider":"Garden Canada","version":"1.0","type":"link"}