{"product_id":"halatool-cubos-de-rockwool-2-para-hidroponia-192-plugs-alta-retencion-y-aireacion","title":"Halatool Rockwool Seed Starter Cubes 2-inch — 192 Plugs, Moisture-Retentive Hydroponic Propagation","description":"\u003cp\u003e\u003cstrong\u003eHalatool 2-inch rockwool cubes are a 192-plug seed starter pack designed for reliable germination, easy handling, and fast transplanting in hydroponic and propagation systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese rockwool cubes give growers a consistent, inert growing medium made from spun basalt fibers that retain moisture while providing ample air flow for young roots. Sold as four perforated sheets that separate into 192 soft, uniform 2-inch squares, the cubes are sized to fit common seed trays and net pots. They work with nutrient solutions after brief conditioning and let you move seedlings smoothly from propagation to hydroponic racks, pots, or soil.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I prepare Halatool rockwool cubes for seed starting?\u003c\/h3\u003e\n\u003cp\u003ePreparation is a short, repeatable process: cut or separate cubes to the size you need, then soak them briefly in a nutrient or pH-buffered solution to stabilize electrical conductivity (EC) and pH. Most seeds perform well near pH 5.5 after conditioning. Keep moisture consistent and provide appropriate light and temperature for the species you're growing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCut sheets into individual 2-inch cubes or smaller pieces with a clean knife.\u003c\/li\u003e\n  \u003cli\u003eSoak for about 10 seconds in prepared nutrient or pH-adjusted water.\u003c\/li\u003e\n  \u003cli\u003eAim for target pH ~5.5 for many common seeds; monitor EC if needed.\u003c\/li\u003e\n  \u003cli\u003eMaintain moist (not saturated) conditions and suitable light for germination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose these rockwool cubes instead of soil or peat plugs?\u003c\/h3\u003e\n\u003cp\u003eRockwool is inert, consistent, and highly absorbent, which reduces variability between plugs and improves control over watering and nutrients. Its fibrous structure balances water retention with air spaces for healthy root oxygenation. This makes rockwool especially useful for hydroponic systems, cloning, and high-density propagation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUniform texture reduces transplant shock and improves predictability.\u003c\/li\u003e\n  \u003cli\u003eStrong water retention keeps young roots hydrated without drowning them.\u003c\/li\u003e\n  \u003cli\u003eExcellent air permeability promotes robust root development.\u003c\/li\u003e\n  \u003cli\u003eEasy to handle and compatible with net pots, trays, and hydroponic setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I transplant seedlings grown in Halatool rockwool cubes?\u003c\/h3\u003e\n\u003cp\u003eTransplanting is straightforward because the cubes hold together after soaking and root establishment. Wait until roots extend about 0.5–1 inch beyond the cube, then place the cube into a net pot, grow media, or soil with minimal root disturbance. The cube’s integrity helps keep the root ball intact during the move.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTransplant when roots visibly penetrate cube sides by ~0.5–1 inch.\u003c\/li\u003e\n  \u003cli\u003eInsert cube directly into net pots or place into soil\/containers with gentle contact.\u003c\/li\u003e\n  \u003cli\u003eNo special separation or cleaning of roots usually required.\u003c\/li\u003e\n  \u003cli\u003eTrim or resize cubes beforehand if a smaller footprint is needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat crops and propagation tasks fit best with these 2-inch plugs?\u003c\/h3\u003e\n\u003cp\u003eThese 2-inch rockwool cubes suit a wide range of seeds and cuttings used in hobby and commercial growing. They are especially practical for vegetables, herbs, ornamentals, and cloning operations where root visibility, uniform hydration, and easy transplanting matter most. Use them in seed trays, cloning machines, or as starting plugs before transferring to hydroponic channels or pots.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVegetables: lettuce, tomatoes, peppers, cucumbers, and more.\u003c\/li\u003e\n  \u003cli\u003eHerbs and microgreens that need consistent moisture control.\u003c\/li\u003e\n  \u003cli\u003eCuttings and clones requiring steady humidity and oxygenation.\u003c\/li\u003e\n  \u003cli\u003eCommercial propagation where uniformity speeds workflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Growers who want a reliable, reusable propagation medium — from hobby gardeners starting a few dozen seedlings to commercial growers scaling hundreds of plugs. Halatool 2-inch rockwool cubes are for people who need consistent moisture management, easy transplanting, and a neutral medium that integrates with hydroponic and soil systems.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eHalatool\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: How many cubes are included and what size are they?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This pack contains 192 two-inch rockwool cubes, supplied as four perforated sheets you can separate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to condition the cubes before planting?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — briefly soak cubes in a nutrient or pH-adjusted solution (about 10 seconds) to set EC and pH for best germination.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Halatool","offers":[{"title":"Default Title","offer_id":56819403915604,"sku":"B0B2JX9QLD","price":91.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/halatool-frente-paquete-rockwool-192.jpg?v=1786962781","url":"https:\/\/gardenluxe.co.uk\/products\/halatool-cubos-de-rockwool-2-para-hidroponia-192-plugs-alta-retencion-y-aireacion","provider":"Gardenluxe Uk","version":"1.0","type":"link"}