Rockwool blocks

Gardeners simply wait for plant roots to penetrate the bottom of . Grow- Cubes stack on top of each other leaving air space in between them this promotes root . The individually shaped individual cells within . Used for growing real big plants. Growers use rockwool cubes to start their seedlings and also to root their cuttings .

Rockwool cubes come in many different sizes.

Grodan Stonewool ( rockwool ) is made from molten rock spun into cotton candy- like fibers and then compressed into cubes , blocks , or slabs.

Our Cultilene transplanting rockwool cubes are made from the finest basalt rock for strength and flexibility and are available in two sizes. CUBES PER SHEET - ( X X ). Get the lowest prices on all gardening supplies at . Free delivery and returns on eligible orders. Nutrient solution may be applied through a . These rockwool blocks are perfect for cloning, seed starting and propagation and measure . I seeded tomato seeds in three-inch rockwool cubes , and now just days later, the seedlings are already . Remove wrapping and transplant into any loose media such as Grow-Cubes or.

All blocks except the x x have the unique Optidrain feature . A complete guide explaining how to prepare your rockwool cubes. Preparing rockwool is important, unprepared rockwool can kill your plants! GRODAN Starter MINI- BLOCKS , 1. When breaking apart rockwool slabs or cubes , be sure to wear face protection . Small rockwool cubes are typically used for . The Fine Art of Cloning: Old school hydro growers still use small rockwool cubes for cuttings. Where other rockwool brand manufacturers cut all sizes from one batch of wool, . Seedlings started in plugs are easily transferred to blocks and then onto slabs .