{"product_id":"35mm-cultiwool-rockwool-propagation-plugs","title":"Cultiwool Rockwool Rooting Plugs – 35 × 35 × 40 mm","description":"\u003cp\u003e\u003cstrong\u003ePallet shipping:\u003c\/strong\u003e Pallet orders require a freight quote and cannot be completed through standard online checkout. Contact 454 Bags before ordering a pallet so we can confirm delivery details and the total shipping cost. Case and single-roll options, where offered, remain available through standard checkout.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBuilt for commercial propagation, Cultiwool 35mm rockwool rooting plugs deliver uniform, scalable performance across high-volume hydroponic operations.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhy 35mm Rockwool Rooting Plugs?\u003c\/h2\u003e\n\u003cp\u003eCommercial propagation requires precision and repeatability. These 35mm rockwool plugs are engineered from clean, inert stone wool to provide consistent porosity, balanced moisture retention, and reliable oxygen availability at the root zone. Designed for professional environments, they help reduce variability across trays and improve transplant success rates.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniform density:\u003c\/strong\u003e Consistent structure across every plug for predictable rooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized air-to-water ratio:\u003c\/strong\u003e Maintains hydration while preventing oversaturation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInert media:\u003c\/strong\u003e Stable pH behavior with no added contaminants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for scale:\u003c\/strong\u003e Available in sheet, case, and pallet quantities for commercial programs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePerformance Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-formed planting holes:\u003c\/strong\u003e Fast, repeatable seed and cutting placement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced drainage:\u003c\/strong\u003e Promotes strong root initiation without waterlogging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient transplanting:\u003c\/strong\u003e 35mm format integrates cleanly into larger block systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial reliability:\u003c\/strong\u003e Manufactured to meet professional cultivation standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuying Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 Sheet — 84 plugs:\u003c\/strong\u003e Ideal for trials or small propagation runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25 Sheets — 2,100 plugs:\u003c\/strong\u003e Supports ongoing mid-scale production.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePallet — 375 Sheets \/ 31,500 plugs:\u003c\/strong\u003e Designed for perpetual commercial cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003ePre-soak plugs in pH-adjusted water (5.5–5.8) until evenly saturated.\u003c\/li\u003e\n\u003cli\u003eInsert seeds or cuttings into the pre-formed hole.\u003c\/li\u003e\n\u003cli\u003eMaintain consistent moisture without prolonged saturation.\u003c\/li\u003e\n\u003cli\u003eTransplant once strong white roots are visible through the plug.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Stone wool (rockwool)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug Size:\u003c\/strong\u003e 35mm class propagation plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlugs per Sheet:\u003c\/strong\u003e 84\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Formats:\u003c\/strong\u003e Sheet, case, or pallet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Cloning, seed starting, hydroponic propagation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these plugs reusable?\u003c\/strong\u003e\u003cbr\u003eNo. For consistent commercial results, fresh plugs should be used each cycle.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan they be used in hydroponic systems?\u003c\/strong\u003e\u003cbr\u003eYes. Rockwool is widely used in hydroponics for its stable moisture retention and oxygen availability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow long do plants remain in plugs?\u003c\/strong\u003e\u003cbr\u003eTypically 7–14 days, depending on crop and environment, until roots are ready for transplant.\u003c\/p\u003e\n\n\u003ch2\u003ePro Tip\u003c\/h2\u003e\n\u003cp\u003eStagger propagation trays weekly and maintain pallet inventory to ensure smooth transitions into vegetative stages without production bottlenecks.\u003c\/p\u003e\n","brand":"Cultiwool","offers":[{"title":"Pallet — 375 Sheets \/ 31500","offer_id":48075421679873,"sku":null,"price":4999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/2860\/0065\/files\/cultiwool-84-plug-sheet-rockwool-starter-plugs_48108b88-f67d-421d-9227-c33c5f8dcbea.webp?v=1771129973","url":"https:\/\/454bags.com\/en-mx\/products\/35mm-cultiwool-rockwool-propagation-plugs","provider":"454 Bags","version":"1.0","type":"link"}