UPuper® began to develop rock wool substrates start from the 1990s. So far, it has a history of more than 20 year and been registered in more than 20 countries, UPuper® sales footprints cover all over the world and has been highly recognized by growers locally and abroad.

3 inch rockwool cubes substrates 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.

The development of sustainable agriculture must start from trying to turn waste into treasure and pollution into ecological environmental protection from the comprehensive recycling concept. Sustainable circular development will pay more attention to the continuity of ecological chain and the balance between species diversity. UPuper® Rock wool can give you a new experience of sustainable planting mode.

The remaining of pesticide harmful substances and heavy metal that assembled in the plants can enter the food chain to pose a threat to human health. UPuper® rock wool substrates come from natural rocks. The production process goes through a high temperature of 1500 ℃, so it does not carry pathogenic bacteria, and the substrates is cleaner. There is no need to disinfect or sterilize the substrates before use. UPuper® rock wool substrates are tested to be free of toxic and harmful heavy metals containing such as mercury, arsenic, lead and cadmium. In the whole planting process there will have zero harmful substances. UPuper® provides a pollution-free root environment for the production of pollution-free green plants to ensuring food safety.

Why choose us?

• UPuper® rock wool substrate comes from the demand for soilless cultivation substrates in Sunqiao Modern Agricultural Park, which is the Chinese first agriculture facility base. The first generation of rock wool substrates was born in 1998. In 2005, the structure and performance of rock wool were further upgraded. It leads to the successful development of the second generation rock wool substrates. In 2012, we carried out scientific research cooperation with the national experimental base and UPuper® was recognized. With the development of domestic agriculture facility, soilless cultivation substrates began to be selected by growers. In 2016, the third generation rock wool substrates were successfully upgraded. On the premise of growers’ easy use, the products were further subdivided. UPuper® developed a series of products that are suitable for different crops and different growth stages, with multiple specifications to meet the various needs of different growers. Growers can also choose to customize products according to their actual situation. After more than 20 years of continuous exploration, R & D and practical application in the field of substrates, after three generations of improvement, UPuper® combined with the actual needs of growers, rock wool substrates has been developed into different items for different application fields such as agriculture facility, three-dimensional greening and potted plants to cover much more industries.

3 inch rockwool cubes--A Guide to Frequently Asked Questions

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

Rockwool grow 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.

2.How do you prepare rockwool grow cubes for planting, and what pre-soaking or conditioning steps are recommended?

1. Pre-soak the rockwool cubes in a nutrient solution for 15-20 minutes. This will help to ensure that the cubes are evenly saturated with water and nutrients. 2. Rinse the cubes with clean water to remove any excess nutrient solution. 3. Place the cubes in a tray or container and fill with water until the cubes are completely submerged. 4. Allow the cubes to soak for 24-48 hours. This will help to ensure that the cubes are fully hydrated and ready for planting. 5. Once the cubes are fully hydrated, drain off any excess water and plant your seeds or cuttings.

3.Can rockwool grow cubes be reused, and what is the recommended cleaning and sterilization process for multiple growing cycles?

Yes, rockwool grow cubes can be reused. The recommended cleaning and sterilization process for multiple growing cycles is to soak the cubes in a 10% bleach solution for 10 minutes, rinse them thoroughly with clean water, and then allow them to dry completely before reusing.

4.How do rockwool grow cubes provide a stable and consistent environment for plant roots?

Rockwool grow cubes 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.

5.Are there organic or sustainable options for rockwool grow cubes that meet eco-friendly growing practices?

Yes, there are several organic and sustainable options for rockwool grow cubes that meet eco-friendly growing practices. These include organic rockwool cubes made from natural materials such as coconut coir, hemp, and jute, as well as sustainable rockwool cubes made from recycled materials. Additionally, some companies offer rockwool cubes that are treated with natural, non-toxic solutions to reduce the risk of disease and pests.

6.How do you monitor and maintain proper moisture levels within rockwool grow cubes throughout the plant's growth cycle?

1. Monitor the moisture levels of the rockwool cubes regularly. Use a moisture meter to measure the moisture content of the cubes. 2. Adjust the watering schedule accordingly. If the cubes are too dry, water more frequently. If the cubes are too wet, water less frequently. 3. Use a humidity dome or tray to help maintain proper moisture levels. 4. Consider using a hydroponic system to provide a more consistent moisture level. 5. Add a layer of perlite or vermiculite to the top of the rockwool cubes to help retain moisture. 6. Consider using a fan to help circulate air and reduce humidity.

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

Rockwool grow 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.

8.What is the water retention capacity of rockwool grow cubes, and how does this impact plant hydration and growth?

Rockwool grow cubes have a water retention capacity of approximately 80-90%. This means that the cubes can absorb and hold a large amount of water, which helps to keep the plant hydrated and promote healthy growth. The high water retention capacity also helps to reduce the amount of water needed for irrigation, as the cubes can slowly release the stored water to the plant over time.

9.What are the key considerations for matching the size of rockwool grow cubes to the specific plant species being cultivated?

1. Plant size: The size of the rockwool cubes should be matched to the size of the plant. For example, larger plants will require larger cubes, while smaller plants will require smaller cubes. 2. Plant root system: The size of the rockwool cubes should also be matched to the size and complexity of the plant’s root system. For example, plants with larger and more complex root systems will require larger cubes. 3. Plant growth rate: The size of the rockwool cubes should also be matched to the plant’s growth rate. For example, plants with faster growth rates will require larger cubes. 4. Plant nutrient requirements: The size of the rockwool cubes should also be matched to the plant’s nutrient requirements. For example, plants with higher nutrient requirements will require larger cubes. 5. Plant water requirements: The size of the rockwool cubes should also be matched to the plant’s water requirements. For example, plants with higher water requirements will require larger cubes.

10.Can rockwool grow cubes be used for cloning and propagating plant cuttings, and what advantages do they offer for this purpose?

Yes, rockwool grow cubes 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.

11.What environmental conditions, such as temperature and humidity, are optimal for using rockwool grow cubes in indoor or outdoor growing setups?

The optimal environmental conditions for using rockwool grow cubes in indoor or outdoor growing setups are temperatures between 65-75°F (18-24°C) and humidity levels between 40-60%. It is important to maintain these conditions to ensure the best results for your plants.

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

Yes, rockwool grow 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.

13.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.

14.What is soilless cultivation?

Soilless cultivation is a method of cultivating plants without natural soil nor use compound fertilizer and similar compound fertilizer based on soil. It is a new method that only uses nutrient solution to support for plant growth or various cultivation substrates that can replace soil and are suitable for plant growth. Soilless cultivation can be divided into fog cultivation, water cultivation and solid substrate cultivation. UPuper® Rock wool substrate belongs to solid substrate cultivation.

15.What are rockwool grow cubes?

Rockwool grow cubes are a type of growing medium made from melted basalt rock and chalk that is spun into fibers and then compressed into cubes. They are commonly used in hydroponic systems and are known for their excellent water retention and air porosity. Rockwool cubes are also pH neutral, making them ideal for growing a variety of plants.

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