The most popular rockwool (aka stone wool) for indoor growing, hydroponics and greenhouse speciality crops! Grodan GRO-BLOCK Improved, with Advanced Wetting Technology, has the optimal fiber structure and physical properties needed to grow more uniform and high-quality crops while using less water and nutrients.
Developed specifically to support small to medium plants from start to finish, the Improved GRO-BLOCKS GR10, Large 4″ w/ Hole allow for even water distribution throughout the height of the substrate which is the basis for a robust root system with greater capacities for water and nutrient uptake. Indoor growers will experience improved plant growth, including larger plant size, greater stem thickness, and bigger fruits and flowers.
Benefits:
• Even water distribution maximizes plant growth and development
• Rooting occurs several days faster, speeding up the time to harvest
• Ideal aeration at the root zone — prevents overwatering and root suffocation
• Contains no weed seeds, disease pathogens or insect pests
• Size: 4″ x 4″ x 4″ w/ hole, wrapped (6/strip – 24 strips/case), case of 144
Note: This item is for commercial use and is packaged as bulk, without retail wrapping or labeling.
GROW!T Loose Coco Coir is a natural hydroponic medium without any additional substrates. This 100% coco coir is processed and ...
Use organic GROW!T Coco Coir Mix for planting and growing flowers, vegetables, herbs, and more. It works as both an indoor ...
PLASTIC BLOCK COVERS Reflect light to plant leaves, where it’s needed most. Block light from media. Eliminate algae and mildew growth. ...
An alternative to plastic covers for rockwool blocks. Use Coco Caps to help prevent light penetration that may cause algae ...
