Sign In UPuper

*Phone Number:


Sign In

Please sign up for the first time login. Sign Up Now

Sign Up UPuper

*Real Name:

*Phone Number:

*the Graphics Verification Code:


*Verification Code:



*Confirm the Password:


2 inch Mini Propagation Block -CP S50

Product description

UPuper®CP S50 propagation blocks are bigger than CP S40 blocks. It will provide sufficient volume for initial root development and is more suitable for advanced (large) seedlings propagation. It's excellent for starting large seeds or cuttings and is easily transplanted to larger stone wool slabs once roots have been established. It can also use with CP R20 round rockwool plug for seeds seedlings.

Product Specification

Product Advantage

1. Mini grow blocks are individually wrapped in white plastic to minimize algae growth, easy to carry and protect the root system.

2. Roots grow faster, precise planting can save water and nutrient usage throughout the entire crop cycle.

3. Remove the packaging and transplant it into grow cube,or keep the packaging and put it directly on top of cultivation master cube.

4. Built with a prime fiber structure, each block has a uniform distribution of WC and EC throughout that lays the groundwork for a well-defined root system.

5. Does not contains any pathogenic bacteria, which can reduce the risk of virus infection in seedlings.


Propagation blocks sit in a tray (flat) without support for easy starting of seeds and cuttings.Used for starting large seeds or cutting.

Using TIPS:

1. You need pre-soak them before use.

2. Adjust pH of 5.5-6.5 for cannabis cloning.

3. Rockwool mini blocks can be reused or recycled for another planting. Plant leafy vegetables after disinfection. Remove wrapping,cut it and mix it with the soil to improve the air permeability of the soil.

Interested in our products?
Do not hesitate to contact us!

upuper +86-21-39291299

Subscribe UPuper® news and get the fresh news of our industry.
Subscribe now!
Communication upuper