Pack of 72 2.5cm Rock Wool Cubes with 5.1cm Mesh Pots for Hydroponic Growing System Good Water Absorption Hydroponic Net Cutting Kit

- Rock Wool Cubes with Mesh Pots: package includes 72 pieces 1 inch rock wool cubes, 50 pieces 2 inch mesh cups, 1 self-watering cotton wick. This kit can help you to do soilless cultivation very well. - Slotted Design These hydroponic net pots with holes at the bottom produce healthy roots with uniform drainage, allowing the roots to grow in their own way, passing through the net cut and emerging from the side to form bigger, healthier roots. - Easy to use: cut several pieces of rock wool with scissors, soak them briefly in nutrient solution for about 10 seconds and adjust their EC and pH values to the required range for the seeds. The optimal pH for most plant seeds is around 5.5. Then control the proper humidity, light, and temperature, when the root grows more than 1 inch beyond the rock wool, it's time to transplant it into a - EASY TO TRANPLANT - Rock wool cubes for hydroponics keep the seeds long enough to establish a root system as they have strong water absorption while retaining a lot of oxygen. This 1" square rock wool block can hold its shape well without collapsing, making it easy to transplant. - PREMIUM MATERIAL - Our rock wool cubes are made from premium inorganic basalt fibers and compressed into blocks through an exclusive process. It is soft and uniform texture, good water absorption and strong air permeability, which is the best substrate material for soilless cultivation.