The Stone Rockwool Grow Cubes RC65S offers flexible application—serving as a rockwool  planting container at the intermediary growth stage, adapting to diverse cultivation workflows.

Crafted as a high-quality mineral wool growing medium, it is specifically optimized for hydroponic systems and indoor growing environments. Its stable structure and balanced air-water ratio provide consistent support for root development, ensuring reliable growth performance for a wide range of crops, from vegetables and flowers to professional cultivation varieties.

Parameter

pH<7.5

Sink time<10s

Water absorption rate>=900%

Organic matter content <1.5%

Toxic & Harmful Heavy Metals Content: Not detectable

Meet GMP Hygiene requirements (Bioburden test):No microorganisms

Application

Rockwool plug TP25/TP30/TP36/TP40 can fit snugly into the pre-formed hole on the top of the growing cube.

Used as an intermediary container for planting. It can be also used directly for medical hemp cloning.

Product Advantage

1.Perfect transplant finishing, root-safe;

2.Uniform water content & conductivity across cubes;

3.No seedling slowing post-transplant, shorter seedling periods;

4.Rapid root system development;

5.Compatible with most cultivation bags;

6.Grooves aid drainage & enable root air pruning.

Usage Tips:

1. You need pre-soak them before use.

2. Adjust nutrient PH of 5.5-6.5 for seedling cloning.

3. Rockwool plugs can be reused or recycled for another planting. Plant leafy vegetables( shallow-rooted plants)after disinfection. Or cut it and mix it with the soil to improve the air permeability of the soil. 

4.It is suggested to wear a pair of gloves when using.