UPuper®  is a company specializing in soilless plant cultivation substrates. Our products include Rockwool cubes,Seedling plug,propagation block,grow block,Growing Cubes,Grow Plug , and the price is very reasonable. Our products have been exported to various parts of the world and have received high recognition from local and foreign growers.

Our production base is located in Dafeng District, Yancheng City, Jiangsu Province, covering an area of over 233000 square meters with a total investment of 100 million US dollars. We have two world-class production lines, achieving zero emissions of solid waste and wastewater, and ultra-low emissions of exhaust gases. UPuper ® We are gradually implementing the "recycling" plan - to recycle used rock wool into new products and continue to play an important role in building energy conservation, industrial insulation, and ship safety.

 Please note: The above table data is for reference only. For specific information, please contact us.



UPuper® Rock wool does not carry, absorb or consume any water or nutrients. Meanwhile, diy rockwool cubes does not prevent crops from absorbing nutrients. The elements given by water and fertilizer can be totally provided to plants. Growers do not need to consider the various effects of the substrates itself on crops.
People can accurately mix the nutrition solution required by crops in each growing stage. It is conducive to the data collection, analysis and management to optimize planting strategies. UPuper® rock wool’s EC and pH values are stable, which is convenient to set a unified irrigation scheme to have an easier management, and keep the consistent growth of crop roots.

Instructions for using rockwool cubes:
1. Soak the rockwool cubes in warm water to fully foam.
2. Put the rockwool cubes into a container and distribute evenly.
3. Place the seeds gently on the surface in the correct direction and wrap them in rockwool cubes, as the frosted rockwool  grow cubes can absorb enough water to ensure sufficient moisture coverage of the plant roots.
4. Depending on the variety of plants, they can grow new roots under the support of external plant sprouting cloths, achieving germination.
5. Put the sprouted cloth blocks of plants back into the container and replenish them with water in a timely manner.


Give roots more growing space.Better water and fertilizer retention.

diy rockwool cubes---FAQs Guide

1.How do diy rockwool cubes promote aeration in the root zone, and what benefits does this offer for plant health?
2.Are diy rockwool cubes compatible with automatic irrigation and nutrient delivery systems commonly used in hydroponics?
3.How do diy rockwool cubes contribute to root stability and prevent transplant shock when moving plants to larger containers?
4.How are diy rockwool cubes sterilized and prepared for safe use in plant cultivation?
5.What is the recommended method for disposing of used diy rockwool cubes to minimize environmental impact?
6.Are diy rockwool cubes pH-neutral, and do they require any adjustments before use?
7.Are there specific tools or accessories designed for working with diy rockwool cubes, such as hole punches or plant supports?
8.What sizes and shapes do diy rockwool cubes come in, and how do these variations affect their applications?
9.As a diy rockwool cubes manufacturer,UPuper® Rock wool recycling service

1.How do diy rockwool cubes promote aeration in the root zone, and what benefits does this offer for plant health?

diy rockwool cubes promote aeration in the root zone by providing a porous, airy environment for the roots to grow in. This helps to ensure that the roots have access to oxygen, which is essential for healthy root growth and development. The increased aeration also helps to reduce the risk of root rot and other diseases, as well as promoting better nutrient uptake. Additionally, the increased aeration helps to regulate the temperature of the root zone, which can help to protect the plant from extreme temperatures.

2.Are diy rockwool cubes compatible with automatic irrigation and nutrient delivery systems commonly used in hydroponics?

Yes, diy rockwool cubes are compatible with automatic irrigation and nutrient delivery systems commonly used in hydroponics. However, it is important to note that rockwool cubes should be soaked in water before use to ensure that they are properly hydrated. Additionally, rockwool cubes should be flushed with water every few weeks to prevent nutrient buildup.

3.How do diy rockwool cubes contribute to root stability and prevent transplant shock when moving plants to larger containers?

Rockwool grow cubes provide a stable environment for roots to grow and develop. The cubes are designed to hold moisture and nutrients, which helps to reduce transplant shock and promote healthy root growth. The cubes also provide a physical barrier between the roots and the new container, which helps to reduce the risk of root damage during the transplant process. Additionally, the cubes help to keep the roots in place, which helps to prevent the plant from becoming uprooted during the transplant process.

4.How are diy rockwool cubes sterilized and prepared for safe use in plant cultivation?

diy rockwool cubes are typically sterilized using a combination of heat and steam. The cubes are placed in a steam chamber and heated to a temperature of around 180°F (82°C) for a period of time. This process kills any bacteria, fungi, and other microorganisms that may be present in the cubes. After sterilization, the cubes are then soaked in a nutrient solution to prepare them for use in plant cultivation.

5.What is the recommended method for disposing of used diy rockwool cubes to minimize environmental impact?

The recommended method for disposing of used diy rockwool cubess is to compost them. Rockwool is made from basalt and chalk, which are both natural materials that can be broken down by microorganisms in the soil. Composting the cubes will help to reduce the environmental impact by returning the materials to the soil.

6.Are diy rockwool cubes pH-neutral, and do they require any adjustments before use?

diy rockwool cubes are generally pH-neutral and do not require any adjustments before use. However, it is recommended to check the pH of the cubes before use to ensure they are at the desired level.

7.Are there specific tools or accessories designed for working with diy rockwool cubes, such as hole punches or plant supports?

Yes, there are several tools and accessories designed specifically for working with rockwool grow cubes. These include hole punches, plant supports, and trays for holding the cubes. Additionally, there are tools for cutting and shaping the cubes, as well as tools for transplanting seedlings from the cubes into larger containers.

8.What sizes and shapes do diy rockwool cubes come in, and how do these variations affect their applications?

diy rockwool cubes come in a variety of sizes and shapes, including cubes, slabs, and blocks. The size and shape of the cube will affect the application, as different sizes and shapes are better suited for different types of plants. For example, cubes are great for starting seeds, while slabs are better for larger plants. Blocks are ideal for hydroponic systems, as they provide more surface area for the roots to grow. The shape of the cube also affects the amount of air and water that can be held, which can be beneficial for certain types of plants.

9.As a diy rockwool cubes manufacturer,UPuper® Rock wool recycling service

UPuper® Rockwool cubes can be recycled. Used UPuper® rock wool can be recycled back to the production lines. After separating and melting with other raw materials. Those used products can be made into new rock wool. The products that made of recycled materials have no quality difference from the new ones, and can be re-applied to thermal insulation, fire prevention and noise reduction in the fields of construction, industry and ships.

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