VIVOSUN 1.6" Rockwool Cubes, 28 Plugs Stonewool Starter Grow Cubes — Open-Box, 10% Off

Rockwool Cubes Material: This rockwool is crafted from natural ingredients, including 60% basalt, 20% coke, 20% limestone, and a trace of iron slag; They are melted at high temperatures and spun into fine fibers, then compressed into blocks by a unique process, which makes them durable.

Excellent Permeability: This rockwool has a high porosity of 95%, which enables plant roots to access plenty of oxygen for rapid growth; It also fosters the formation of strong and healthy root systems, creating an ideal environment for root development

Sterile & Water-Retaining: This rockwool is inorganic and sterile; It won’t harbor any harmful fungi that could harm your plants; It also holds water for a long time, ensuring your plants get enough hydration and nutrients

Easy to Use & Observe: These light and fluffy rockwool cubes are easy to cut to any size; Each cube has a hole for your seeds or cuttings, and you can transfer the cubes to any medium when the roots develop; It is also easier to observe the growth on one sheet

Multiple Applications: This pack contains 1 sheets of rockwool, with 28 cubes each; They are ideal for hydroponics, plant propagation, cloning, cuttings and more; These rockwool plugs are much easier to use than soil and suit all growers

1" Rockwool Cubes, 200 Plugs Stonewool Starter Grow Cubes for Cuttings, Cloning, Plant Propagation, Seed Starting, Hydroponic Grow Media for Vigorous Plant Growth