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.

Our main products are grow block,propagation plug,Rockwool cubes,Seedling plug,Growing Cubes,Grow Plug, etc.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.

 Please note: This table is for reference only, please consult us for specific information.



coco peat grow cubes have a strong ability of water saving and fertilizer retention. It provides an excellent growth environment for crop roots. The internal three-dimensional network fiber structure makes the nutrient distribution more evenly, which is conducive to the roots extension and growth. A developed root system is the precondition of high yield and excellent fruit quality.
UPuper® Rock wool has firm structure and is not easy to deform without scattering, so It will not cause any damage to crops root while transplanting, the survival rate will increase, which is also helpful to grow large seedlings. It can help to realize the time to market  in advance or later seasons to bring higher yield, quality and economic benefits.

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.

coco peat grow cubes---FAQs Guide

1.What sizes and shapes do coco peat grow cubes come in, and how do these variations affect their applications?
2.What are the common challenges or issues that growers may encounter when using coco peat grow cubes, and how can they be mitigated?
3.Are there specific tools or accessories designed for working with coco peat grow cubes, such as hole punches or plant supports?
4.Can coco peat grow cubes be used in combination with traditional soil to improve aeration and drainage in potted plants?
5.What environmental conditions, such as temperature and humidity, are optimal for using coco peat grow cubes in indoor or outdoor growing setups?
6.How do coco peat grow cubes promote aeration in the root zone, and what benefits does this offer for plant health?
7.As a coco peat grow cubes manufacturer, What's the lead time?
8.Are coco peat grow cubes compatible with automatic irrigation and nutrient delivery systems commonly used in hydroponics?
9.Can coco peat grow cubes be used in combination with alternative growing methods like aeroponics or deep water culture (DWC)?

1.What sizes and shapes do coco peat grow cubes come in, and how do these variations affect their applications?

coco peat grow 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.

2.What are the common challenges or issues that growers may encounter when using coco peat grow cubes, and how can they be mitigated?

UPuper is a professional coco peat grow cubes manufacturer and may encounter these issues. We provide corresponding suggestions:
1. Poor drainage: Rockwool cubes can become waterlogged if not properly drained. To mitigate this, growers should ensure that the cubes are placed in a tray with adequate drainage holes and that the cubes are not over-watered.
2. pH imbalance: Rockwool cubes can become too acidic or alkaline if not properly managed. To mitigate this, growers should regularly check the pH of the cubes and adjust as needed.
3. Nutrient deficiencies: Rockwool cubes can become nutrient deficient if not properly managed. To mitigate this, growers should regularly check the nutrient levels of the cubes and adjust as needed.
4. Pest infestations: Rockwool cubes can become infested with pests if not properly managed. To mitigate this, growers should regularly inspect the cubes for signs of pests and take appropriate action if necessary.

3.Are there specific tools or accessories designed for working with coco peat grow 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.

4.Can coco peat grow cubes be used in combination with traditional soil to improve aeration and drainage in potted plants?

Yes, coco peat grow cubes can be used in combination with traditional soil to improve aeration and drainage in potted plants. Rockwool is a lightweight, porous material that helps to improve drainage and aeration in soil, allowing for better root growth and healthier plants. It can also help to retain moisture in the soil, which is beneficial for plants that require more frequent watering.

5.What environmental conditions, such as temperature and humidity, are optimal for using coco peat 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.

6.How do coco peat grow cubes promote aeration in the root zone, and what benefits does this offer for plant health?

coco peat grow 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.

7.As a coco peat grow cubes manufacturer, What's the lead time?

About 10-15(normally) days for a 40HQ container.

8.Are coco peat grow cubes compatible with automatic irrigation and nutrient delivery systems commonly used in hydroponics?

Yes, coco peat grow 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.

9.Can coco peat grow cubes be used in combination with alternative growing methods like aeroponics or deep water culture (DWC)?

Yes, coco peat grow cubes can be used in combination with alternative growing methods like aeroponics or deep water culture (DWC). Rockwool cubes are a great medium for starting seeds and cuttings, and can be used in combination with other growing methods to provide a stable environment for the roots to develop. Rockwool cubes can also be used to provide additional aeration and drainage for plants grown in aeroponics or DWC systems.

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