Grodan DELTA 40mm - 40/40 - Per piece

Grodan Rockwool Cube 4 cm – High-Performance Starting Substrate

The Grodan 4 cm rockwool cube is ideal for seed germination and cuttings. Its fibrous structure promotes excellent aeration and stimulates root proliferation. Inert after soaking, it can be easily transplanted into any type of substrate (soil, coco, hydroponics).

Advantages

• Clean and non-toxic substrate, free of pathogens
• Suitable for all types of crops and substrates
• Good water retention: 690 ml/liter
• Made from volcanic rock (basalt)
• 100% recyclable in the garden or compost

Technical Specifications

• Dimensions: 4 x 4 x 4 cm
• Raw dry matter: 99%
• Dry organic matter: 2.2%
• Electrical conductivity: 0.01 mS/cm

Compliance: Complies with NF U 44-551 standard.

Product sold individually.