Rockwool Cubes with Net Pots 72 Set Strong Air Permeability Square Rock Wool Block Slotted Design Net Pots High Water Absorption Hydroponic Growing Medium

- Premium Material: Our rockwool cubes are made of premium basaltock inorganic fiber, and compressed into blocks through proprietary process. It's soft and even texture, good water absorption and strong air permeability, which is the best substrate material for soilless cultivation. - Slotted Design: These net pots for hydroponics with holes at the bottom produces roots with even drainage, allowing the roots to grow in their own way, passing through the net cup and emerging from the side to form larger and healthier roots. - Easy to Transplant: Rockwool cubes for hydroponics keep the seeds long enough to establish a root system because of they have high water absorption while retain a lot of oxygen. This 1 in square rock wool block can hold its shape well without falling apart, making it easy to transplant. - Easy to Use: Cut off several pieces of rock wool with scissors, soak them briefly in nutrient solution for about 10 seconds, and adjust their EC and values to the required range for the seeds. The optimal for most plant seeds is about 5.5. Then control appropriate , light, and temperature, when the root grows more than 1 inch beyond the rockwool, it's time to transplant then into new home. - Rockwool Cubes with Net Pots: Package comes with 72 pieces 1 inch plugs rockwool cubes, 50 pieces 2 inch net cups, 1 piece self watering cotton wick cord. This kit can help you to do soilless cultivation very well.