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Grodan rockwool blocks with 4 x 4 cm - 15 pieces
Ideal for growing from seed or for cuttings.
Can be used in soil and hydroponics.
The rockwool blocks must be watered before use.
In their initial state they have a neutral pH value of 7.0.
A pH value of approx. 5.6 - 5.8 is recommended.
Grodan rock wool is spun from molten rock into fine fibres and then pressed into shapes such as cubes, blocks or slabs. Grodan has a unique position in the market because it produces different types of fibres, unlike other manufacturers who cut everything from one big bale of rockwool. In this way, Grodan aims to support the needs of plants at every stage of planting.
Because of these special fibres, Grodan rockwool is able to absorb large amounts of nutrient solution while having a structure that provides plenty of oxygen for faster plant growth. Grodan is available in standardised sizes. Cuttings started in cubes can easily be transplanted into larger blocks and then onto the sheets, or they can also be transplanted into other growing media such as soil or coco.
- Dimensions (LxWxH): 40 x 40 mm
- Content: 15 pieces
P.O. Box 1160
Roermond, Netherland, 6040 KD
[email protected]
https://www.grodan.com/global/
