Shanghai ABM rock wool Dafeng Co., Ltd has two world-class production lines, realizing zero discharge of solid waste and waste water and ultra-low emission of waste gas. It is the biggest green rock wool manufacturing base in the whole Asia Pacific region with the largest investment and leading technology and equipment.The main products are grow slab,Seedling plug,propagation plug,Rockwool cubes,propagation block,Grow Plug, etc.

UPuper® will be committed to providing pollution-free, high-performance, sustainable and safe substrate for agriculture facility, and lead modern smart agriculture future with excellent quality, first-class service , efficient & accurate planting methods.

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



growing 1 inch plugs can be made into different specifications according to the needs, which is suitable for automatic sowing, industrialized seedling raising, mechanized transplanting etc. UPuper® rock wool is light without scattering, which can reduce labor cost and intensity. It helps to improve labor environment and production efficiency.
The return liquid of UPuper® rock wool is clean so that it can be recycled, which not only saves water and fertilizer, but also protects the environment. UPuper® rock wool substrate is manufactured in full automatic production lines so that the customer will receive products with accurate size and fast delivery time. UPuper® can meet the needs of different growers in different periods.

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.


Uniform water content and electrical conductivity distribution throughout cubes.
Grooves can facilitate water drainage and provide air pruning on root system.
Rapid root system development.

growing 1 inch plugs---FAQs Guide

1.What sizes and shapes do growing 1 inch plugs come in, and how do these variations affect their applications?
2.Are growing 1 inch plugs compatible with automatic irrigation and nutrient delivery systems commonly used in hydroponics?
3.How do growing 1 inch plugs compare to traditional soil in terms of plant growth rates and yields?
4.Can growing 1 inch plugs be used for cloning and propagating plant cuttings, and what advantages do they offer for this purpose?
5.As a growing 1 inch plugs manufacturer,UPuper® Rock wool recycling service
6.What is the composition and material of growing 1 inch plugs, and how do they compare to other growing mediums like soil or coco coir?
7.As a growing 1 inch plugs manufacturer,Why use soilless cultivation?
8.As a growing 1 inch plugs manufacturer, What about your package?
9.What is the recommended method for disposing of used growing 1 inch plugs to minimize environmental impact?
10.About growing 1 inch plugs,Should I water from the top or root of the plant?
11.How do growing 1 inch plugs provide a stable and consistent environment for plant roots?
12.What applications can growing 1 inch plugs be used for?
13.How do you prevent the formation of algae or mold on the surface of growing 1 inch plugs?
14.Are growing 1 inch plugs suitable for both soil-based and soilless growing systems?

1.What sizes and shapes do growing 1 inch plugs come in, and how do these variations affect their applications?

growing 1 inch plugs 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.

2.Are growing 1 inch plugs compatible with automatic irrigation and nutrient delivery systems commonly used in hydroponics?

Yes, growing 1 inch plugs 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 growing 1 inch plugs compare to traditional soil in terms of plant growth rates and yields?

growing 1 inch plugs are a great alternative to traditional soil for growing plants. They provide excellent aeration and drainage, which can lead to faster growth rates and higher yields. Rockwool also has a higher water-holding capacity than soil, which can help to reduce the amount of water needed for plants. Additionally, rockwool is sterile, so it is less likely to contain disease-causing organisms that can harm plants. Overall, rockwool grow cubes can provide a great environment for plants to thrive in, leading to faster growth rates and higher yields.

4.Can growing 1 inch plugs be used for cloning and propagating plant cuttings, and what advantages do they offer for this purpose?

Yes, growing 1 inch plugss can be used for cloning and propagating plant cuttings. Rockwool is a great medium for cloning and propagating because it is sterile, lightweight, and provides excellent aeration and drainage. It also holds moisture well, which is important for successful cloning and propagation. Additionally, rockwool is easy to use and can be cut to fit any size container.

5.As a growing 1 inch plugs 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.

6.What is the composition and material of growing 1 inch plugs, and how do they compare to other growing mediums like soil or coco coir?

growing 1 inch plugs are made from a combination of basalt and chalk that is melted and spun into fibers. The fibers are then compressed into cubes. Rockwool is a great growing medium because it is sterile, lightweight, and provides excellent drainage and aeration. It also holds moisture well and is pH neutral. Compared to soil, rockwool is much lighter and easier to work with, and it does not contain any of the pests or diseases that can be found in soil. Compared to coco coir, rockwool is more sterile and does not contain any of the salts that can be found in coco coir. Rockwool is also more lightweight and easier to work with than coco coir.

7.As a growing 1 inch plugs manufacturer,Why use soilless cultivation?

Soilless cultivation is the most advanced cultivation technology in modern agriculture. From cultivation facilities to environmental control, the whole process can be monitored and regulated according to the needs of crop growth and development. It can realize early maturity and high yield of crops; Production of pollution-free products; greatly improve working conditions, save labor and reduce labor intensity; Save water and fertilizer; Avoid soil continuous planting barriers; it has no regional restrictions and can make the space fully used; so that contribute to the automation and intelligence of cultivation.

8.As a growing 1 inch plugs manufacturer, What about your package?

Export standard package. Cartons tested for compressive strength. Pallet packaging is also acceptable.

9.What is the recommended method for disposing of used growing 1 inch plugs to minimize environmental impact?

The recommended method for disposing of used growing 1 inch plugss 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.

10.About growing 1 inch plugs,Should I water from the top or root of the plant?

Seedling raise can use the tidal seedbed and the drip irrigation control system used after transplanting. Those processes are watered from below the plant and close to the root.

11.How do growing 1 inch plugs provide a stable and consistent environment for plant roots?

growing 1 inch plugs provide a stable and consistent environment for plant roots by providing a medium that is well-aerated, well-draining, and retains moisture. The cubes are made of a spun mineral fiber that is highly absorbent and can hold up to 20 times its weight in water. This helps to keep the root zone consistently moist and well-aerated, which is essential for healthy root growth. The cubes also provide a stable environment for the roots, as they are not prone to shifting or compressing like other growing media.

12.What applications can growing 1 inch plugs be used for?

growing 1 inch plugs can be used for a variety of applications, including hydroponic gardening, seed starting, cloning, and propagation. They are also commonly used in aeroponic systems, as well as for growing mushrooms.

13.How do you prevent the formation of algae or mold on the surface of growing 1 inch plugs?

To avoid causing losses due to these issues, UPuper recommends that you do the following:
1. Make sure to keep the rockwool grow cubes in a well-ventilated area.
2. Avoid overwatering the rockwool grow cubes.
3. Clean the rockwool grow cubes regularly with a mild detergent and water solution.
4. Use a fungicide or algaecide to prevent the formation of algae or mold.
5. Make sure to keep the rockwool grow cubes away from direct sunlight.

14.Are growing 1 inch plugs suitable for both soil-based and soilless growing systems?

Yes, growing 1 inch plugs are suitable for both soil-based and soilless growing systems. Rockwool is a great medium for both types of systems because it is lightweight, sterile, and provides excellent drainage and aeration. It also holds moisture well, making it an ideal choice for both types of systems.

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