Since its establishment in 2011, Shanghai ABM rock wool Dafeng has been producing and providing the most cost-effective rock wool matrix, including grow block,grow slab,propagation plug,Grow Plug,Seedling plug,propagation block, for the past decade, providing customers with various environmentally sustainable products. Our company has passed certifications such as SGS, CE, Australian heavy metal standard test.

UPuper® is gradually carrying out the "recycling" plan - recycling the used rock wool into new products, and continue to play an important role in building energy conservation, industrial thermal insulation and ship safety.The company also set up rock wool substrates R & D center that cooperates with domestic universities and institutions and large experiment base, and is equipped with professional experimental greenhouse and scientific researchers.

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



rockwool propagation cubes 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.


Individually wrapped cubes hold the rockwool’s shape and prevent algae growth.
Easy to transport without hurting the roots and can improve transplanting efficiency.

rockwool propagation cubes---FAQs Guide

1.Can rockwool propagation cubes be used in conjunction with other growing media or as part of a multi-stage cultivation process?
2.How do rockwool propagation cubes contribute to root stability and prevent transplant shock when moving plants to larger containers?
3.What are the disposal and recycling options for used rockwool propagation cubes, and are they environmentally responsible?
4.Are rockwool propagation cubes pH-neutral, and do they require any adjustments before use?
5.How do rockwool propagation cubes promote aeration in the root zone, and what benefits does this offer for plant health?
6.Are rockwool propagation cubes compatible with automatic irrigation and nutrient delivery systems commonly used in hydroponics?
7.About rockwool propagation cubes,What is the minimum purchase?
8.As a rockwool propagation cubes manufacturer, How to control the EC Value of rock wool planting strip?
9.How are rockwool propagation cubes sterilized and prepared for safe use in plant cultivation?
10.Do rockwool propagation cubes require any specific pH and nutrient management practices for optimal plant growth?
11.What types of fertilizers and nutrients are commonly used with rockwool propagation cubes?
12.How do rockwool propagation cubes accommodate different irrigation methods, including drip systems, flood and drain, or ebb and flow?
13.What types of crops or plants are best suited for cultivation in rockwool propagation cubes, and are there any limitations?
14.What is the composition and material of rockwool propagation cubes, and how do they compare to other growing mediums like soil or coco coir?

1.Can rockwool propagation cubes be used in conjunction with other growing media or as part of a multi-stage cultivation process?

Yes, rockwool propagation cubes can be used in conjunction with other growing media or as part of a multi-stage cultivation process. Rockwool cubes are often used in hydroponic systems as a medium for starting seeds or cuttings, and can be used in conjunction with other growing media such as perlite, vermiculite, and coco coir. Rockwool cubes can also be used in multi-stage cultivation processes, such as in aeroponic systems, where the cubes are used to start the seedlings and then transferred to a larger growing medium.

2.How do rockwool propagation 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.

3.What are the disposal and recycling options for used rockwool propagation cubes, and are they environmentally responsible?

rockwool propagation cubes are made from a combination of basalt and slag, which are both non-toxic and non-hazardous materials. The best way to dispose of used rockwool grow cubes is to recycle them. Many local recycling centers accept rockwool grow cubes for recycling. Alternatively, you can contact your local waste management company to see if they offer a special collection service for rockwool grow cubes.
Recycling rockwool grow cubes is an environmentally responsible option as it reduces the amount of waste that goes to landfills. Additionally, recycling rockwool grow cubes helps conserve resources and reduce the amount of energy needed to produce new materials.

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

rockwool propagation 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.

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

rockwool propagation 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.

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

Yes, rockwool propagation 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.

7.About rockwool propagation cubes,What is the minimum purchase?

The MOQ is one carton.

8.As a rockwool propagation cubes manufacturer, How to control the EC Value of rock wool planting strip?

The rock wool cultivation strip itself does not contain any nutrients, so it only needs to adjust the nutrient supply according to the EC value required by each growth stage of the crops. At the same time, growers can make small and frequent changes in the irrigation strategies (for example, when the EC is too high, multiple slight adjustments are more convenient and safe than large adjustments).

9.How are rockwool propagation cubes sterilized and prepared for safe use in plant cultivation?

rockwool propagation 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.

10.Do rockwool propagation cubes require any specific pH and nutrient management practices for optimal plant growth?

Yes, rockwool propagation cubes require specific pH and nutrient management practices for optimal plant growth. The ideal pH range for rockwool is between 5.5 and 6.5. Nutrient management should include regular monitoring of the nutrient solution and adjusting the levels as needed. Additionally, it is important to flush the rockwool with fresh water every few weeks to prevent nutrient buildup.

11.What types of fertilizers and nutrients are commonly used with rockwool propagation cubes?

Common fertilizers and nutrients used with rockwool grow cubes include:
-Organic fertilizers such as fish emulsion, kelp meal, and compost tea
-Synthetic fertilizers such as 20-20-20, 15-30-15, and 10-52-10
-Micronutrients such as iron, zinc, and manganese
-Calcium and magnesium supplements
-pH adjusters such as lime or sulfur

12.How do rockwool propagation cubes accommodate different irrigation methods, including drip systems, flood and drain, or ebb and flow?

rockwool propagation cubes can accommodate different irrigation methods by providing a variety of sizes and shapes to fit different systems. For example, the cubes can be cut to fit a drip system, or they can be used in a flood and drain system by providing a larger surface area for water to flow through. For an ebb and flow system, the cubes can be used to create a platform for the plants to sit on, allowing the water to flow around them.

13.What types of crops or plants are best suited for cultivation in rockwool propagation cubes, and are there any limitations?

rockwool propagation cubes are best suited for hydroponic cultivation of vegetables, herbs, and flowers. Some of the most popular crops grown in rockwool cubes include tomatoes, peppers, cucumbers, lettuce, and basil. Rockwool cubes can also be used to propagate cuttings from existing plants.
The main limitation of rockwool cubes is that they are not suitable for growing root vegetables such as potatoes, carrots, and onions. Additionally, rockwool cubes are not suitable for growing plants that require a lot of water, such as watermelons and pumpkins.

14.What is the composition and material of rockwool propagation cubes, and how do they compare to other growing mediums like soil or coco coir?

rockwool propagation cubes 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.

Tags: grow plugs plants,diy rockwool cubes,rockwool cubes in the garden,hydaofarm rockwool cube,plug and play cannabis grow system