UPuper® CM 20PRO 8x8x8 large block rockwool grow cubes for hydroponics

8” x 8” x 8” grow blocks -CM 20PRO

Product description

UPuper^® 8 inch Grow block is the largest block ever produced! The 8 inch cubes have twice the volume of the 6 inch grow blocks, it is big enough to grow a large plant for its entire life. It is used in the final stage of cannabis planting.

Product Specification

Single size: 8 *8 *8 (L*W*H（inch))

Hole: Usually don't have hole. Accept custom hole, Size: φ1.57",H1.57"

Grooves: Have

Film: Have silver/white film wrapped.

Package: 18 pcs/carton

pH <7.5

Organic matter content <1.5%

Content of toxic and harmful heavy metals ：Not detectable levels

Meet GMP Hygiene requirements (Bioburden test) ： No microorganisms

*Any other size request, please contact us online!

Product Advantage

1.No pre-cut hole means plants can sit on top easily, you can put the mini block with plant directly on top of the CM 20PRO grow block.

2. Packaged in photodegradable, UV-resistant, sleeves for comfortable handling and algae prevention.

3. More than twice the amount of wool as our 6 inch Block, it can be able to support very large plants and even small trees throughout their lifecycle.

4. It is simple to calculate irrigation needs due to their uniform size and dry weight.

5. Grooves can facilitate water drainage and provide air pruning on root system.

6. After being sterilized at a high temperature higher than 1500 degrees Celsius, the growing block does not carry pathogens, which provides a healthy growth environment for cannabis.