1 in. Rockwool Stonewool Starter Grow Cubes for Plant Propagation, Seed Starting, Hydroponic Grow Media (4 Pack)

They are melted at high temperatures and spun into fine fibers, then compressed into blocks by a unique process, which makes them durable. It also fosters the formation of strong and healthy root systems, creating an ideal environment for root development. Each cube has a hole for your seeds or cuttings, and you can transfer the cubes to any medium when the roots develop. These rockwool plugs are much easier to use than soil and suit all growers.

Charcoir Coco Coin is made from 100% RHP-certified coco coir plugs for clean and consistent seed starting, cloning, and propagation. Each pack includes 78 peat-free plugs designed for rapid root development, strong germination, and healthy plant growth. Our coco coir is triple washed, buffered, and pH stable, ensuring low EC and a pathogen-free medium free from excess salts. The high pith ratio provides excellent water retention while maintaining aeration for oxygen flow. Each plug comes with a pre-drilled hole for easy seed or clone insertion, wrapped in non-woven paper that allows roots to penetrate with less mess. Compatible with standard propagation trays, Coco Coin is eco-friendly, sustainable, and suitable for vegetables, flowers, herbs, and hydroponic systems.

The Viagrow Coconut coir seedling starter plugs are perfect for starting your seedlings or rooting clones. The Viagrow coir seedling cubes maintain a perfect air-to-water ratio and are easy to transport and transplant. Seedling starter plugs are composed of premium triple washed Coir, which is all natural, sustainable and biodegradable. Simply wet the coir seedling starter discs and watch them expand. Once they have expanded make a hole for your seedling or clone and add the seed or clone. Each coir seedling starter disc is approximately 50 mm/2 in. W x 75 mm/3 in. tall. for related cloning and seedling trays and domes search for these items - VTD300, VSFB900, VSEEDMAT, V1020SL, VSSP100. Put the Viagrow coco coir plugs in the planting tray. Soak the Viagrow coco coir plugs with lukewarm water, pour off any excess water. (pH should be between 6 to 7, temperature should be warmer 70° to 80°) Seedling heat mat may be needed, please search code VSEEDMAT. Sow seeds or stick cuttings and position the tray in a bright place or position under a propagation grow light When the seeds have sprouted, turn the air vents to the open position for slight air circulation. When the seedlings have sprouted and show second set of leaves, take the humidity dome off.

2 adjustable air vents help control humidity and temperature to keep your plants on the right track. Includes a transparent dome for easy observation without disruption of humidity levels. Black bottom is good for promoting plant root growth and drainage holes keep your seedlings from being overwatered. 3.6 in. Higher Cover leaves enough space for seedlings to grow stronger.