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Grodanmatte Vital (Expert)
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Grodan rock wool block 15x15x14.2 cm - Professional substrate for optimal plant growth
The Grodan rockwool block measuring 15x15x14.2 cm is a high-quality substrate for professional and ambitious hobby gardeners. These blocks provide an ideal environment for growing from seeds, propagating cuttings and further cultivation in soil or hydroponic systems.
Product details:
- Size: 15 x 15 x 14.2 cm
- Material: Stone wool made from molten Swedish basalt with non-toxic phenolic resin
- Special feature: One large and one small hole for flexible use
- Origin: Manufactured by the Danish company Grodan
Special features of the Grodan stone wool block:
- Versatile: Ideal for seed cultivation, cutting propagation and further cultivation
- High quality: Melted at approx. 1500°C and spun into first-class insulating material
- Water-friendly: Hydrophilic material through the addition of non-toxic phenolic resin
- Professional standard: Often used in commercial horticulture
- Flexible: Can be used in soil and hydroponic systems
Instructions for use:
- Preparation: Water the rock wool blocks thoroughly before first use
- Soaking: It is best to place them in a pre-buffered solution with the correct pH and EC value for 24 hours
- Pay attention to the pH value: Pre-treatment is important because the blocks naturally have a high pH value
- Flexible use: Use the large and small hole for different applications
The Grodan rockwool blocks 15x15x14.2 cm are your perfect choice if you value a professional substrate. They offer ideal conditions for healthy root growth and efficient nutrient absorption. Whether you are an experienced hydroponic gardener or are just starting out with indoor cultivation - these rockwool blocks offer you a reliable basis for successful plant growth.
With the right preparation and care, your plants will find optimal growing conditions in these rockwool blocks. Use the versatility of this product to take your gardening projects to the next level!
Further information
The aromatic flowers are used exclusively for scientific or technical purposes. Abuse for intoxicating purposes or human consumption of any kind is prohibited. In Germany it is not legal to smoke CBD flowers. CBD aromatic flowers are unsuitable for pregnant women and breastfeeding mothers. Keep out of reach of children! Store in a cool and dry place. Sales to minors (under EIGHTEEN years of age) are strictly prohibited. The products offered are natural products, which is why they are subject to natural fluctuations. The appearance of the actual product may vary from the individual product image.