Woodpecker's Farm
Grodan Delta 6.5G Rockwool Cube 100×100×60
Grodan Delta 6.5G Rockwool Cube 100×100×60
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Product description
The perfect cube for strong roots & clean seedling development.
The Grodan Delta 6.5G is a high-quality rockwool cube,
developed for professional cloning, vegetative, and training phases.
It offers an extremely stable structure, optimal air-to-water balance,
and promotes rapid, clean root formation.
Perfect for soil, hydro, coco, or fully hydroponic systems.
Woodpecker’s Key Facts
📏 Dimensions: 100 × 100 × 60 mm
🌱 Delta 6.5G – Standard size for training & early vegetative stage
🧱 High-quality rockwool from Grodan
💨 Optimal air/water ratio for explosive root development
🌊 Even moisture distribution throughout the block
🔄 Ideal for hydro, aero, NFT & soil/coco grows
🌞 Sterile, pest-free & easy to handle
🧪 pH-stable & easily adjustable
Benefits for your plants
extremely fast rooting
controlled growth from day 1
perfect propagation for strong, compact plants
ideal for training (topping, LST, early transplanting)
even oxygen supply
Application
1. Pre-condition rockwool in pH-regulated water (pH ~5.5)
2. Gently squeeze out excess water
3. Insert seed or cutting
4. Maintain consistent moisture
5. After root development → repot or place into the system
Ideal for
Cuttings & seedlings
Pre-growing before potting
Hydroponics, Aeroponics & NFT systems
Precise plant training
Growers who want clean & controlled development
Woodpecker’s Verdict
The Grodan Delta 6.5G is an absolute standard in professional cultivation.
Fast roots, stable structure, perfect moisture –
this little cube is a bloody powerhouse.
Woodpecker approved. 🌱🔥🦜