Products tagged with 'Rockwool'

• 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.

The Grodan® tray comes prefilled with A-OK Starter Plugs™ for fast and easy propagation from seeds or cuttings prior to transplanting to Gro-Blocks™.

• Fits perfectly in most standard 1020 trays.
• Designed with a unique and convenient thumb slot to make removal easy and comfortable.
• Pre-cut and pre-filled into an insert of 50 1.5-inch AO plugs (1.4 x 1.4 x 1.9 inches).
• 30 inserts per carton (total of 1,500 plugs).
• No wrap.

• Advanced Wetting Agent ensures more uniform water distribution throughout the slab.
• Enable a multi-faceted irrigation strategy with water volume variations between 55% and 78%.
• Enhanced capillary action retains moisture more evenly across the entire slab.
• Distributes WC and EC evenly, providing optimal steering capabilities.
• Growers gain better control of plant balance throughout the crop cycle with precise WC and EC adjustments.
• Stone wool fibers do not bind nutrients and eliminate the need for flushing at the start of cultivation.
• Initial targeted water and nutrient application promotes sustainable water and fertilizer use.
• Facilitate optimal crop steering for healthy plants and higher yields.
• 6 x 4 x 36 in (15 x 10 x 91.4 cm) slab.
• Features three 4 inch (10 cm) pre-cut squares.

• Advanced Wetting Agent ensures more uniform water distribution throughout the slab.
• Enable a multi-faceted irrigation strategy with water volume variations between 55% and 78%.
• Enhanced capillary action retains moisture more evenly across the entire slab.
• Distributes WC and EC evenly, providing optimal steering capabilities.
• Growers gain better control of plant balance throughout the crop cycle with precise WC and EC adjustments.
• Stone wool fibers do not bind nutrients and eliminate the need for flushing at the start of cultivation.
• Initial targeted water and nutrient application promotes sustainable water and fertilizer use.
• Facilitate optimal crop steering for healthy plants and higher yields.
• 6 x 3 x 36 in (15 x 7.6 x 91.4 cm) slab.
• Features three 4 inch (10 cm) pre-cut squares.