{"product_id":"asrnten-mi0512-1-5-rockwool-starter-plugs-28-cubes-for-seed-germination-and-rooting","title":"Asrnten MI0512 1.5” Rockwool Starter Plugs – 28 Cubes for Seed Germination and Rooting","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet the Asrnten MI0512 Rockwool Starter Plugs, a compact propagation solution designed for seed germination and cutting rooting. Each sheet holds 28 uniform 1.5\" cubes, ready to drop into standard propagation trays. The firm, yet airy structure supports steady handling and consistent start dates for your plants, whether you’re tending a small home setup or running a growing operation.\u003c\/p\u003e\n\u003ch3\u003eWhy these plugs stand out\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFirm and reliable\u003c\/strong\u003e – the plugs hold their shape, reducing crumbling during handling and transplanting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBreathable with high air space\u003c\/strong\u003e – designed to provide oxygen to developing roots for healthier starts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAseptic, inorganic medium\u003c\/strong\u003e – a clean alternative to soil, helping maintain a controlled propagation environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMoisture and nutrient retention\u003c\/strong\u003e – holds a substantial amount of solution while supporting root access to water and nutrients.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile for hobby and commercial growers\u003c\/strong\u003e – sized for easy propagation at any scale.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s included and specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSheet count: 1\u003c\/li\u003e\n  \u003cli\u003eCubes per sheet: 28\u003c\/li\u003e\n  \u003cli\u003eCube dimensions: 1.5\" x 1.5\" x 1.5\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eTo prepare for germination or cloning, briefly soak each plug in a starter solution adjusted to pH 5.5 for about 10 seconds. Avoid squeezing the plug to prevent damage.\u003c\/p\u003e\n\u003ch3\u003eTransplanting and moisture management\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTransplant when roots reach about 0.5–1 inch; you can move the plug directly into a larger rockwool hole, or into a 3\"–4\" block for easier moisture control.\u003c\/li\u003e\n  \u003cli\u003eIn smaller blocks, monitor moisture and water 15 minutes before the block becomes completely dry to maintain even moisture.\u003c\/li\u003e\n  \u003cli\u003eIf using larger blocks, keep the upper portion moist with light misting or careful watering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePractical notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHandling tips: wear gloves and safety glasses to keep the plugs clean and intact.\u003c\/li\u003e\n  \u003cli\u003eAvoid tearing the plug; cut if you need to modify the shape.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy consider this starter kit\u003c\/h3\u003e\n\u003cp\u003eThese plugs provide a clean, controlled start for seeds and clones, helping you pace germination and initial rooting with predictable moisture and oxygen levels. They’re designed to support faster early rooting without relying on soil, making them a flexible option for varied grow setups. While results can vary with crop type and environment, many users appreciate the predictable consistency and ease of transplanting that the plugs offer.\u003c\/p\u003e\n\u003ch3\u003eWarranty and support\u003c\/h3\u003e\n\u003cp\u003eSeller support is available within 24 hours; a satisfaction promise is offered if you need assistance or replacements.\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 included in the package?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: One sheet with 28 1.5” rockwool starter plugs for propagation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I prepare and transplant the plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Dip each plug briefly in pH 5.5 starter solution, germinate or clone, transplant at 0.5–1 inch of root growth into larger blocks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Asrnten","offers":[{"title":"Default Title","offer_id":48175675638004,"sku":"B07VYKNGRW","price":19.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/asrnten-mi0512-rockwool-starter-plug-01.jpg?v=1778360607","url":"https:\/\/www.cerapatiogarden.com\/products\/asrnten-mi0512-1-5-rockwool-starter-plugs-28-cubes-for-seed-germination-and-rooting","provider":"Cera Garden","version":"1.0","type":"link"}