{"product_id":"halatool-1-inch-rockwool-cubes-for-hydroponics-100-seed-starter-plugs-2-sheets","title":"Halatool 1-Inch Rockwool Cubes for Hydroponics – 100 Seed Starter Plugs (2 Sheets)","description":"\u003cdiv class=\"description\"\u003e\n  \u003ch2\u003eOverview\u003c\/h2\u003e\n  \u003cp\u003eHalatool 1-inch rockwool cubes arrive as two sheets, delivering 100 ready-to-use plugs for soilless cultivation. Made from basalt fibers and processed with a high-temperature, centrifuged method, these cubes offer a soft, uniform texture that balances moisture retention with air permeability to support early root growth.\u003c\/p\u003e\n  \u003ch3\u003eWhy growers choose rockwool\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHigh water absorption plus ample oxygen exposure helps seedlings stay hydrated while roots explore for air.\u003c\/li\u003e\n    \u003cli\u003eExcellent air permeability promotes healthy root systems and reduces damping-off risks in early stages.\u003c\/li\u003e\n    \u003cli\u003eThe manufacturing process yields consistent density, so each cube behaves predictably in propagation workflows.\u003c\/li\u003e\n    \u003cli\u003eThe optimum pH for most plant seeds is about 5.5; a quick soak helps set EC and pH for seed readiness.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eHow to use\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eUse a knife to cut the rockwool into the desired cube size before soaking.\u003c\/li\u003e\n    \u003cli\u003eBriefly soak the cubes (about 10 seconds) in a nutrient solution to adjust EC and pH to seed needs.\u003c\/li\u003e\n    \u003cli\u003eKeep moisture, light, and temperature balanced to improve germination; roots typically emerge after a few days.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eWhen robust roots reach about 0.5–1 inch, transplant into a net pot, soil, or a hydroponic system. The plugs retain moisture without sacrificing oxygen, helping seedlings establish a healthy root network before moving to larger containers.\u003c\/p\u003e\n  \u003ch3\u003eVersatility for every grower\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eConvenient, compact starter plugs suitable for hydroponics, seed starting, rooting, and cloning systems.\u003c\/li\u003e\n    \u003cli\u003eWidely used by hobbyists and commercial growers for propagation, with results influenced by technique and plant type.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eWith 100 plugs in total, this value-packed kit supports multiple cycles and busy propagation schedules, making it a practical choice for many grow setups.\u003c\/p\u003e\n\u003c\/div\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 included in the Halatool 1-Inch Rockwool Cubes package?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Two sheets totaling 100 one-inch cubes, designed for seed starting, rooting, and cloning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I use the rockwool cubes for germination?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Cut to size, soak briefly in nutrient solution to adjust EC and pH, then plant seeds.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Halatool","offers":[{"title":"Default Title","offer_id":45826761851066,"sku":"B0B18FCLFD","price":38.87,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/halatool-rockwool-cubes-1inch-pack.jpg?v=1777970049","url":"https:\/\/gardencanada.ca\/products\/halatool-1-inch-rockwool-cubes-for-hydroponics-100-seed-starter-plugs-2-sheets","provider":"Garden Canada","version":"1.0","type":"link"}