Products tagged with 'Rockwool'

• Formulated with an advanced wetting agent and optimized wool structure.
• Grodan's largest Gro-Block.
• Optimal fiber structure and physical properties ensure crop uniformity.
• Even WC and EC distribution.
• Greatest steering capabilities available.
• Efficient substrate volume use.
• Promotes well-defined root system with higher capacity for water and nutrient uptake.
• Consistent and outstanding results for controlled-environment indoor and greenhouse commercial grows.
• 8 inch (20 cm) block.

• Formulated with an advanced wetting agent and optimized wool structure.
• Optimal fiber structure and physical properties ensure crop uniformity.
• Even WC and EC distribution.
• Greatest steering capabilities available.
• Efficient substrate volume use.
• Promotes well-defined root system with higher capacity for water and nutrient uptake.
• Consistent and outstanding results for controlled-environment indoor and greenhouse commercial grows.
• 4 x 4 x 4 (10 x 10 x 10 cm) block.

• Ideal for both facilities and home hobby growers.
• It supports productive indoor gardens using container systems.
• Can be used as a stand-alone loose fill growing media.
• Can also be mixed with Grodan Grow-Chunks.

• Grodan® Grow-Chunks are a larger-size 3/4 inch alternative to Grodan 1/2 inch Grow-Cubes.
• Designed to offer increased moisture and nutrient retention.

• Formulated with an advanced wetting agent and optimized wool structure.
• Optimal fiber structure and physical properties ensure crop uniformity.
• Even WC and EC distribution.
• Greatest steering capabilities available.
• Efficient substrate volume use.
• Promotes well-defined root system with higher capacity for water and nutrient uptake.
• Consistent and outstanding results for controlled-environment indoor and greenhouse commercial grows.
• 6 x 6 x 4 in (15 x 15 x 10 cm) block.

Grodan® A-OK Improved Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks™. The plugs come loose in a carton for those who prefer to saturate individually.

• Easy to use with propagation trays.
• Shipped as individual loose AO plugs (1.4x1.4x1.6) bulk in the carton (2,310).
• No shrink-wrap.